L. F. Chernogor - Dr.Sc. (Phys.-Math.), Professor of the Space Radiophysics Department, V.N. Karazin Kharkiv National University. E-mail: Leonid.F.Chernogor@univer.ua

V.A. Krysko - Dr.Sc. (Eng.), Professor, Head of Department of Mathematics and modeling, Saratov State Technical University named after Gagarin Yu.A. Е-mail: tak@sun.ru I.Yu. Vygodchikova - Ph.D. (Phys.-Math.), Associate Professor, Department of Mathematical Economics, Saratov State University named after N.I. Chernyshevskii. Е-mail: irinavigod@yandex.ru I.R. Pleve  Dr.Sc. (Hist.), Professor, Chancellor, Saratov State Technical University after Gagarin Yu.A. Е-mail: rectorat@sstu.ru T.Yu. Yaroshenko - Ph.D. (Eng.), Associate Professor, Department of Mathematics and modeling, Saratov State Technical University named after Gagarin Yu.A. Е-mail: tyyaroshenko@gmail.com