W.I. Kaganov – Dr.Sc.(Eng.), Professor, RTU MIREA (Moscow)

E-mail: Kaganovwil@yandex.ru

Fam Ky – Undergraduate, Post-graduate Student, RTU MIREA (Moscow) E-mail: fam.ki@yandex.ru

M.G. Durkanaev1, D.I. Ivashchenko2, S.I. Tolstolutsky3, Yu.I. Tikhov4

1-4 FSUE «RNIIRS»  (Rostov-on-Don, Russia)

1durkanaev@mail.ru, 2i-demyan-i@mail.ru, 3tolstolutsky_si@mail.ru, 4tikhov@rniirs.ru

S.Sh. Rekhviashvili1, D.S. Gaev2

1 Institute of Applied Mathematics and Automation, KBSC RAS (Nalchik, Russia)

2 Kabardino-Balkarian State University named after H.M. Berbekov (Nalchik, Russia)

1 rsergo@mail.ru; 2 dahir@mail.ru