A.V. Korennoj1, S.М. Alshavva2, D.S. Yudakov3

1–3 Air Force Academy named after Professor N.E. Zhukovsky and Y.A. Gagarina, Voronezh, Russia)

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