Журнал «Радиотехника» | Издательство РАДИОТЕХНИКА

V.E. Avvakumov - Dr. PhD., associate professor, Experimental physics chair of the Volgograd State Technical University (VSTU). E-mail: xcpvlad@front.ru A.G. Shein - Dr. Sci., professor, Physics chair of the Volgograd State Technical University (VSTU). E-mail: alexandershein39@gmail.com M.C. Martinova - Electronics and computer techniques faculty student of the Volgograd State Technical University. E-mail: marina.111992@gmail.com

The choice of Kalman filter algorithm estimated ionospheric and tropospheric signal delay for single-frequency SRNS receiver

V. Е. Vovasov - Ph.D. (Eng.), Chief Engineer, JSC «Russian Space Systems». E-mail: vovasov@list.ru
N. B. Ipkaev - Research Engineer, JSC «Russian Space Systems». E-mail: nikasic@bk.ru
S. А. Gerko - Ph.D. (Eng.), Junior Research, Moscow Aviation Institute (National Research University) MAI. E-mail: S.Gerko@mail.ru

Cancer frequency of electromagnetic waves in the biosphere: AQUA-phasewave model of development of malignant new growths Pt. 1. Radiophysics basics of modeling

V.I. Petrosyan - Ph.D. (Phys.-Math.), Senior Research Scientist, leading Research Scientist, Scientific and Production Firm «TELEMAK»
B.P. Chesnokov - Ph.D. (Chem.), Professor of Faculty Electrification and Power Supply, Saratov State Agrarian University of a name of N. I. Vavilov
G.E. Brill - Dr.Sc. (Med.), Professor, Chairs of pathological physiology of A.A. Bogomolts, Saratov State Medical University of a name of V.I. Razumovsky
G.V. Zhukova - Dr.Sc. (Biol.), Professor, Research laboratories new antineoplastic means and studying of mechanisms of their action, State Rostov Research Oncology Institute
I.V. Terechov - Ph.D. (Med.), Major of a health service, Saratov Military Medical Institute, Ministry of Defence of the Russian Federation
V.N. Plochov - Dr.Sc. (Med.), Professor, Oncology chairs, Saratov State Medical University of a name of V.I. Razumovsky S.N. Potachin - Ph.D. (Med.), Associate Professor, Chairs of the general surgery, Saratov State Medical University of a name of V.I. Razumovsky
E.B. Rodzaevskaya - Dr.Sc. (Biol.), Professor, Histology chairs, Saratov State Medical University of a name of V.I. Razumovsky
I.A.Uuvarova - Ph.D. (Med.), Associate Professor, Histology chairs, Saratov State Medical University of a name of V.I. Razumovsky
V.D. Tupikin - Ph.D. (Med.), Assistant, Histology chairs, Saratov State Medical University of a name of V.I. Razumovsky
S.V. Vlaskin - Ph.D. (Phys.-Math.), Technical Director, Scientific and Production Firm «TELEMAK»
S.A. Dubovitskii - Ph.D. (Phys.-Math.), General Director, Scientific and Production Firm «TELEMAK»

Movement detection on the image with use of information on the signal phase

D.S. Yudakov - Ph.D. (Eng.), MSTC Air Force «Air Force Academy named after prof. N.E. Zhukovsky and Y.A. Gagarin» (Voronezh)
O. E. Kopilov - Ph.D. (Eng.), MSTC Air Force «Air Force Academy named after prof. N.E. Zhukovsky and Y.A. Gagarin» (Voronezh)

Cancer frequency of electromagnetic waves in the biosphere: AQUA-phasewave model of development of malignant new growths Part II. icromorphological and clinical trials, aqua-fazowave model

V.I. Petrosyan - Ph.D. (Phys.-Math.), Senior Research Scientist, leading Research Scientist, Scientific and Production Firm «TELEMAK»
B.P. Chesnokov - Ph.D. (Chem.), Professor of Faculty Electrification and Power Supply, the Saratov State Agrarian University of a name of N. I. Vavilov
G.E. Brill - Dr.Sc. (Med.), Professor, Chairs of pathological physiology of A.A. Bogomolts, The Saratov state Medical University of a name of V.I. Razumovsky
G.V. Zhukova - Dr.Sc. (Biol.), Professor, Research laboratories new antineoplastic means and studying of mechanisms of their action, State Rostov Research Oncology Institute
I.V. Terechov - Ph.D. (Med.), Major of a health service Saratov military medical institute, Ministry of Defence of the Russian Federation
V.N. Plochov - Dr.Sc. (Med.), Professor, Oncology chairs, The Saratov state medical university of a name of V.I. Razumovsky
S.N. Potachin - Ph.D. (Med.), Associate Professor, Chairs of the general surgery, The Saratov State Medical University of a name of V.I. Razumovsky
E.B. Rodzaevskaya - Dr.Sc. (Biol.), Professor, Histology chairs, The Saratov State Medical University of a name of V.I. Razumovsky I.A.Uuvarova - Ph.D. (Med.), Associate Professor, Histology chairs, The Saratov state medical university of a name of V.I. Razumovsky
V.D. Tupikin - Ph.D. (Med.), Assistant, Histology chairs, The Saratov state medical university of a name of V.I. Razumovsky
S.V. Vlaskin - Ph.D. (Phys.-Math.), Technical Director, Scientific and Production Firm «TELEMAK»
S.A. Dubovitskii - Ph.D. (Phys.-Math.), General Director, Scientific and Production Firm «TELEMAK»

The modified Omega-KA algorithm for synthesis of improved accuracy SAR images in Spotlight mode and its ballistic support

S. G. Lichansky - Ph.D. (Eng.), Leading Research Scientist, JSC «Concern «Vega». E-mail: mail@vega.su

Amplitude-phase synthesis of digital array antenna taking into account the amplitude distribution fluctuations and failure of individual elements

S. E. Mishchenko - Dr.Sci. (Eng.), Professor, Head of Dedicated Laboratory, Science and Research Institute of physics, Southern Federal University (Rostov-on-Don). E-mail: mihome@yandex.ru
N. V. Shatsky - C.Sci. (Eng.), Associate Professor, Senior Research Scientist, Science and Research Institute of physics, Southern Federal University (Rostov-on-Don). E-mail: shatskiy@sfedu.ru

About perspective of use of inertial methods in individual navigation

I. E. Monvige-Montvid - Leading Research Scientist, JSC «Kaluga Research Institute of Telemechanical Devices». E-mail: kniitmu@kaluga.net

Dispersional hardening of the pyrolytic chromium coatings by the carbide nanoparticles during the crystallization of the amorphous phase

I.S. Belashova - Dr.Sc. (Eng.), Professor, Technology of Construction Materials Department, Moscow State Automobile and Road Technical University (MADI). E-mail: irina455@inbox.ru
L.G. Petrova - Dr.Sc. (Eng.), Professor, Technology of Construction Materials Department, Moscow State Automobile and Road Technical University (MADI). E-mail: petrova_madi@mail.ru

Algorithm to assess the range of moving air object

Yu.L. Koziratsky - Dr.Sci. (Eng.), Professor, Chair of Military Education-Research Center of Military Air Forces «Military Aviation Academy named for prof. N.E. Zhukovsky and Yu.A. Gagarin» (Voronezh)
D.V. Prokhorov - Dr.Sci. (Eng.), senior lecturer of chair of Military Academy of Military Education-Research Center of Military Air Forces «Military Aviation Academy named for prof. N.E. Zhukovsky and Yu.A. Gagarin» (Voronezh)
I. Yu. Kuryanov - Post-Graduated, Military Education-Research Center of Military Air Forces «Military Aviation Academy named for prof. N.E. Zhukovsky and Yu.A. Gagarin» (Voronezh)
P.E. Kuleshov - Ph.D. (Eng.), Chief of the Research Department of the Research Centre of Military Education-Research Center of Military Air Forces «Military aviation academy named for prof. N.E. Zhukovsky and Yu.A. Gagarin» (Voronezh)

The modeling of measuring spectra of microwave pulses by high-pass filters

M.B. Goykhman - Junior Research Scientist, Institute of Applied Physics of RAS (N. Novgorod). E-mail: goihman@appl.sci-nnov.ru
A.V. Gromov - Junior Research Scientist, Institute of Applied Physics of RAS (N. Novgorod). E-mail: gromov@appl.sci-nnov.ru
S.P. Mar-ev - Leading Programmer, Institute of Applied Physics of RAS (N. Novgorod). E-mail: finist@appl.sci-nnov.ru
A.V. Palitsin - Ph. D. (Phys.-Math.), Research Scientist, Institute of Applied Physics of RAS (N. Novgorod). E-mail: pal@appl.sci-nnov.ru
Yu.V. Rodin - Leading Engineer, Institute of Applied Physics of RAS (N. Novgorod) E-mail: wish26@yandex.ru
S.E. Filchenkov - Ph. D. (Phys.-Math.), Research Scientist, Institute of Applied Physics of RAS (N. Novgorod). E-mail: fil@appl.sci-nnov.ru

Dispersional hardening of the pyrolytic chromium coatings by the carbide nanoparticles during the crystallization of the amorphous phase

Algebraic details of precise point positioning with ambiguity resolution in GNSS

A.N. Podkorytov - Ph.D. (Eng.), Senior Lecturer, Moscow Aviation Institute (National Research University). E-mail: thepompous@gmail.com
A.A. Povalyaev - Dr.Sc. (Eng.), Professor, Moscow Aviation Institute (National Research University). E-mail: thepompous@gmail.com

Electrical relaxation in composite nanostructures based on polyaniline and silver particles

A.A. Rogachev - Ph. D. (Eng.), Senior Research Scientist, Belarusian State University of Transport (Homel). Е-mail: rogachevfv@mail.ru A.P. Luchnikov - Head of Laboratory, Moscow State Institute of Radio-Engeneering, Electronics and Automation (Technical University). Е-mail: xamdex@gmail.com A.M. Frolov - Student, Belarusian State University of Transport (Homel). Е-mail: rogachev78@mail.ru

Method of application of special purpose airmobile complexes for safety

V.A. Betskov - Dr. Sc. (Eng.), Associate Professor, The Academy of Management of the Interior Ministry of Russia O.V. Yakovlev - Dr. Sc. (Eng.), Professor, Dorodnicyn Computing Centre of RAS (Moscow)

Peculiarities of nano-sized polytetrafluoroethylene coatings structure formation at deposition from gaseous phase

A.A. Rogachev - Ph.D. (Eng), Senior Research Scientist, Belarusian State University of Transport, Homel A.Р. Luchnikov - Senior Research Scientist, Moscow State Institute of Radio-Engeneering, Electronics and Automation (Technical University) M.A. Yarmolenko - Ph.D. (Eng), Senior Research Scientist, Belarusian State University of Transport, Homel A.V. Rogachev - Dr.Sc. (Chem), BNAS Corresponding Member, Belarusian State University of Transport, Homel

Peculiarities of oxide phases formation in nanostructured layers based on lead chalcogenides

E.V. Marayeva - Ph.D. (Phys.-Math.), Saint Petersburg Electrotechnical University «LETI»

Quasi-likelihood radio signal detection algorithms with the unknown appearance and disappearance moments

A.P. Trifonov - Dr.Sc. (Eng.), Professor, Honored Scientist of RF, Head of Department of Radiophysics, Voronez State University; National Researcher University «МEI». E-mail: trifonov@phys.vsu.ru Yu.E. Korchagin - Dr.Sc. (Phys.-Math.), Associate Professor, Department of Radiophysics, Voronez State University; National Researcher University «МEI». E-mail: korchagin@phys.vsu.ru S.V. Korolkov - Post-graduate Student, Department of Radiophysics, Voronez State University. E-mail: sergeik1991@rambler.ru

Features of phase interfaces in nanosized polymer layers of planar Si-PTFE-PE+AlCl3 heterostructure

A.A. Rogachev - Ph.D. (Eng), Senior Research Scientist, Belarusian State University of Transport, Homel A.I. Egorov - Ph. D.(Eng), Senior Research Scientist, Francysk Skaryna Homiel State University Р.А. Luchnikov - Senior Research Scientist, Moscow State University of Information Technologies, Radioengineering and Electronics Liu Zhubo - Senior Research Scientist, Francysk Skaryna Homiel State University

Application of Bioradiolocation for Noncontact Human Sleep Structure Detection

A.B. Tataraidze Post-graduate Student, Junior Research Scientist, Bauman Moscow State Technical Uni-versity. E-mail: tataraidze@rslab.ru L.N. Anishchenko Ph.D. (Eng.), Associate Professor, Senior Research Scientist, Bauman Moscow State Technical University. E-mail: anishchenko@rslab.ru L.S. Korostovtseva Ph.D.(Med.), Research Scientist, Almazov Federal North-West Medical Research Centre. M. V. Bochkarev Ph.D. (Med.), Junior Research Scientist, Almazov Federal North-West Medical Research Centre. Yu.V. Sviryaev Dr.Sc. (Med.), Head of the Somnology Group, Almazov Federal North-West Medical Re-search Centre. S.I. Ivashov Ph.D.(Eng.), Head of the Remote Sensing Laboratory, Bauman Moscow State Technical Uni-versity. V. S. Vereten Ph.D. (Phys.-Mat.), Associate Professor, Plekhanov Russian University of Economics, Moscow A.S. Bugaev Academician RAS, Principal Research Scientist, Bauman Moscow State Technical University.

Efficiency analysis of joint tracking algorithms for the pilot component of L1OC GLONASS signal

A.I. Perov - Dr. Sc. (Eng.), Professor, Head of Radio System Department, «National Research University «MPEI» (Moscow). E-mail: alexp@aha.ru S.P. Ippolitov - Undergraduate, Radio System Department, «National Research University «MPEI» (Moscow)

New mechanisms of intracellular calcium regulation and their role in neurodegeneration (short communication)

S.M Antonov - Dr.Sc. (Biol.), Head of the Laboratory of Cerebellum Comparative Physiology, I.M. Sechenov, Institute of Evolutionary Physiology and Biochemistry of the Russian Academy of Sciences (St.-Petersburg). E-mail: antonov452002@yahoo.com M.M. Nur - Ph.D. (Biol.), General director, Aria Club clinic, Senior Researcher, I.M. Sechenov Institute of Evolutionary Physiology Biand ochemistry of the Russian Academy of Sciences (St.-Petersburg). E-mail: n_maria@bk.ru

Detection of narrowband radio-signal with unknown space-time parameters

A.P. Trifonov - Dr. Sc. (Eng.), Honored Scientist of RF, Professor, Head of Department of Radiophysics, Voronezh State University. E-mail: trifonov@phys.vsu.ru E.V. Litvinov - Ph. D. (Phys.-Math.), Assistant, Department of Radiophysics, Voronezh State University. E-mail: elitvinov@list.ru Yu.E. Korchagin - Dr. Sc. (Phys.-Math.), Associate Professor, Department of Radiophysics, Voronezh State University. E-mail: korchagin@phys.vsu.ru

Quasi-likelihood detection of ultra-wideband quasi-radiosignal of a random shape with unknown duration

A.P. Trifonov - Dr. Sc. (Eng.), Honored Scientist of RF, Professor, Head of Department of Radiophysics, Voronezh State University. E-mail: trifonov@phys.vsu.ru Yu.E. Korchagin - Dr. Sc. (Phys.-Math.), Associate Professor, Department of Radiophysics, Voronezh State University. E-mail: korchagin@phys.vsu.ru K.D. Titov - Post-graduate Student, Department of Radiophysics, Voronezh State University. E-mail: titovkd@gmail.com

Analytical signal of special form-factor radio-pulse

A.V. Denisov - Ph. D. (Phys.-Math.), Department «Radio Engineering and Telecommunications», Associate Professor, Peter The Great St.Petersburg Polytechnic University. E-mail: A.V.Denisov@inbox.ru M.A. Belyansky - Ph. D. (Phys.-Math.), Head of Department, SC «ZASLON». E-mail: maxim_belyansky@mail.ru

Phasechronometry as a basis for improving production technologies

M.I. Kiselev - Dr. Sc. (Phys.-Math.), Professor, Department of Metrology and Interchangeability, Bauman Moscow State Technical University. E-mail: VIP-U@yandex.ru A.S. Komshin - Ph. D. (Eng.), Associate Professor, Department of Metrology and Interchangeability, Bauman Moscow State Technical University. E-mail: komshin_as@mail.ru A.B. Syritsky - Assistant, Department of Metrology and Interchangeability, Bauman Moscow State Technical University. E-mail: syritsky@yandex.ru E.V. Tumakova - Assistant, Department of Metrology and Interchangeability, Bauman Moscow State Technical University. E-mail: kut199@mail.ru O.V. Ummanova - Assistant, Department of Metrology and Interchangeability, Bauman Moscow State Technical University. E-mail: abrigo_negro@mail.ru K.G. Potapov - Ph. D. (Eng.), Assistant, Department of Metrology and Interchangeability, Bauman Moscow State Technical University. E-mail: konst_g_p@mail.ru L.Kh. Miniazeva - Assistant, Department of Metrology and Interchangeability, Bauman Moscow State Technical University. E-mail: miluiza@yandex.ru

Quasioptimal estimation of appearanse and disappearanse moments of radiosignal with unknow amplitude, frequency and initial phase

A.P. Trifonov - Dr. Sc. (Eng.), Professor, Honored Scientist of RF, Head of Department of Radiophysics, Voronezh State University E-mail: trifonov@phys.vsu.ru Yu.E. Korchagin - Dr. Sc. (Phys.-Math.), Associate Professor, Department of Radiophysics, Voronezh State University E-mail: korchagin@phys.vsu.ru S.V. Korolkov - Post-graduate Student, Department of Radiophysics, Voronezh State University E-mail: sergeik1991@rambler.ru

The phase differences of reflection coefficients plane electromagnetic wave horizontal and vertical polarizations from the transition of the dielectric layer

A.V. Denisov – Ph.D. (Eng.), Associate Professor,

Department of Radio Engineering and Telecommunications, Peter The Great St. Petersburg Polytechnic University

E-mail: A.V.Denisov@inbox.ru

M.A. Belyansky – Head of Department – Deputy Main Product Engineer,

JSC «Zaslon» (Saint Petersburg)

E-mail: maxim_belyansky@mail.ru

Interference immunity in channels with random phase and fading when using orthogonal coding and frequency modulation

Aleksei V. Rabin¹

1 Saint-Petersburg State University of Aerospace Instrumentation (Saint-Petersburg, Russia) 1

alexey.rabin@guap.ru

Potential accuracy of determining the frequency of a signal digitally

V.N. Zhurakovskiy – Ph.D. (Eng.), Associate Professor, Bauman Moscow State Technical University E-mail: Zhurakovsky@sm.bmstu.ru

Ensuring the secrecy of the radar

S.G. Vorona1, S.N. Bulychev2

1,2 Mozhaysky Military Space Academy (Saint Petersburg, Russia)

Method of measuring the difference of phases between incoherent signals

V.V. Sukhotin – Ph.D. (Eng.), Associate Professor, School of Military Training Siberian Federal University (Krasnoyarsk)
E-mail: vsuhotin@sfu-kras.ru

F.V. Ovchinnikov – Student, Siberian Federal University (Krasnoyarsk)
E-mail: approximation.sample@gmail.com

Phase estimation of the ultra-wideband quasi-radiosignal with unknown duration

Yu.E. Korchagin – Dr.Sc. (Phys.-Math.), Associate Professor, Head of the Department of Radiophysics, Voronezh State University

E-mail: korchagin@phys.vsu.ru

К.D. Titov – Ph.D. (Phys.-Math.), Assistent,

Voronezh State University

E-mail: titovkd@gmail.com

М.S. Voynarovskaya – bachelor, Voronezh State University

E-mail: voynarovskaya1998@mail.ru

Research of the reflected wave from the dielectric plate in the field of zero effects

V.P. Krylov

AO “ONPP “Technology” named after A.G. Romashina” (Obninsk, Russia)

Estimation of the duration of a regular radiosignal with a partially unknown amplitude and initial phase

Yu.E. Korchagin – Dr.Sc.(Phys.-Math.), Professor, Head of Department of Radiophysics, Voronezh State University E-mail: korchagin@phys.vsu.ru

N.S. Ovchinnikova – Undergraduate, Department of Radiophysics, Voronezh State University E-mail: dyshetzka@mail.ru

Transients research in multi-cascade resonant amplifiers by the methods of abbreviated operator equations and matrix beams

V.M. Bogachev – Ph.D.(Eng.), Senior Research Scientist, Professor, Department of Formation and Processing of Radio Signals, «National Research University «MPEI» (Moscow)

E-mail: bogachev_vm@mail.ru

M.V. Balashkov – Ph.D.(Eng.), Associate Professor, Department of Formation and Processing of Radio Signals, «National Research University «MPEI» (Moscow) E-mail: balashkovmv@mail.ru

Detection of coherent ultra-wideband quasi-radiosignal of a waveform shape

Yu.E. Korchagin – Dr.Sc.(Phys.-Math.), Associate Professor, Head of Department of Radiophysics, Voronezh State University

E-mail: korchagin@phys.vsu.ru

K.D. Titov – Ph.D.(Phys.-Math.), Assistant, Department of Radiophysics, Voronezh State University E-mail: titovkd@gmail.com

Experimental study of immunity of wireless key generation systems to compromising interferences

A.A. Galiev − Post-graduate Student,

Department of Radiophysics, Kazan Federal University, Institute of Physics

E-mail: ggalievv@mail.ru

A.I. Sulimov − Ph.D. (Phys.-Math.), Associate Professor,

Department of Radiophysics, Kazan Federal University, Institute of Physics

E-mail: asulimo@gmail.com

A.V. Karpov − Dr.Sc. (Phys.-Math.), Professor,

Department of Radiophysics, Kazan Federal University, Institute of Physics

E-mail: arkadi.karpov@kpfu.ru

Fractal analysis of a signal reflected from the human in the microwave range

V.A. Fedorov Associate Professor, MPEI, Moscow E-mail: fedorovVA@mpei.ru

V.A. Filatov Senior Teacher, MPEI, Moscow E-mail:FilatovVA@mpei.ru

T.G. Timasheva Ph.D. (Eng.), Engineer, «NIIDAR» (JSC «DRSRI»), Moscow E-mail: ttimasheva@niidar.ru

A.V. Borisov Leading programmer, LLC L-Card, Moscow

Blood serum as an information and analytical system of the human body

V.N. Shabalin1, S.N. Shatokhina2

1 Research Institute of General Pathology and Pathophysiology (Moscow, Russia)

2 Moscow Regional Research Clinical Institute named after M.F. Vladimirsky (Moscow, Russia)

Modeling of the breast tumor detection process with electroimpedance spectroscopy

A.A. Satanenko1, I.A. Kudashov2, A.P. Nikolaev3

1–3 Bauman Moscow State Technical University (Moscow, Russia)

1 arti1286@yandex.ru, 2 KydashovV@mail.ru, 3 apnikolaev@yandex.ru

Nine-channel amplifier module of the centimeter wave range for the antenna array

V.S. Ivlev1, A.S. Kochubey2

1,2 JSC «Taganrog Research Institute of Communications» (Taganrog, Russia)

1 vic8@ya.ru, 2 l.co4ubey@ya.ru

Calibration method of the signal simulator of global navigation satellite systems GLONASS and GPS in the formation of scenarios for multi-element objects

R.M. Vasilev1, I.V. Sidyakin2, E.V. Zemtsova3

1–3 Federal State Budgetary Institution "Main Scientific Metrological Center"
of the Ministry of Defense of the Russian Federation (Mytishchi, Russia)

1-3 32gnii@mil.ru

Experimental study of probabilistic properties of differential phase response of multipath environment

A.A. Galiev1, A.I. Sulimov2, A.V. Karpov3

1–3 Kazan Federal University (Kazan, Russia)

1 ggalievv@mail.ru; 2 asulimo@gmail.com; 3 arkadi.karpov@kpfu.ru

New spectrally efficient spread spectrum signals based on atomic functions

E.V. Kuzmin1

1 Siberian Federal University (Krasnoyarsk, Russia)

1 ekuzmin@sfu-kras.ru

Specialized computing system for determining parameters of periodic radio signals based on wavelet analysis

I.E. Tarasov1

1 Russian Technological University MIREA (Moscow, Russia)

1 ilya_e_tarasov_i@mail.ru

Determination of the parameters of a polyharmonic series with closely spaced frequencies

G.O. Kalygin1, L.A. Kalygina2

1,2 Vladimir State University n.a. A.G. and N.G. Stoletovs (Vladimir, Russia)
1 gkalygin@yandex.ru, 2 lkalygina60@mail.ru

Neural network model for supporting diagnostic decision-making based on processing electrocardiogram data on the human cardiovascular system

O.H.Ya. Al-Hamami1, V.V. Alekseev2
1, 2 Tambov State Technical University (Tambov, Russia)
1 Northern Technical University (Mosul, Iraq)
2 Peoples' Friendship University of Russia named after Patrice Lumumba (Moscow, Russia)

1 omer_h_yahya@ntu.edu.iq