I.M. Lerner1, A.N. Khairullin2, V.I. Il’in3, G.A. Garifullina4

1,2 Kazan National Research Technical University named after A.N. Tupolev (Kazan, Russia)

3 Kazan Federal University (Kazan, Russia)

4 Kazan National Research Technological University (Kazan, Russia)

1 aviap@mail.ru, 2 mr.khayrullin.a@gmail.com, 3 vilin43@mail.ru, 4 gulnarakdrv03@mail.ru