A.V. Korennoj1, D.S. Yudakov2, A.P. Chernyshov3, S. Alshavva4

1–4 Air Force Academy named after Professor N.E. Zhukovsky and Y.A. Gagarin (Voronezh, Russia)

1 korennoj@mail.ru, 2 yds12345@rambler.ru, 3 cherntol19@yandex.ru, 4 ashawasafwan7@gmail.com