M.S. Baranova - JSC «MSDB «Almaz-Antey» named after A. A. Raspletin», Moscow. E-mail: sentina2006@mail.ru
S.N. Filin - JSC «MSDB «Almaz-Antey» named after A. A. Raspletin», Moscow

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

A. D. Ivanov1, A. Yu. Tychkov2, D. S. Chernyshov3, A. K. Alimuradov4, O. S. Simakova5

1–5 Penza State University (Penza, Russia)
1Sailtothe54@gmail.com, 2tychkov-a@mail.ru, 3deniska_1980_13@mail.ru, 4alansapfir@yandex.ru, 5zcsio@mail.ru