V.A. Rudakov - Post-graduate Student, Southern Federal University. E-mail: ruva240187@yandex.ru V.A. Sledkov - Ph.D. (Phys.-Math.), Leading Research Scientist, Southern Federal University. E-mail: vsledkov@gmail.com A.P. Mayorov - Head of dept., FGNU NII «Spetsvuzavtomatika» M.B. Manuilov - D.Sc. (Phys.-Math.), Professor, Southern Federal University. E-mail: m_manuilov@sfedu.ru