M.D. Russkih1, L.N. Safina2, B.A. Timershin3, D.E. Chikrin4, I.G. Galiullin5, P.A. Kokunin6, E.S. Gustov7

1-7 Kazan (Volga Region) Federal University (Kazan, Russia)

1 5021702001@mail.ru, 2 safinalilia406@gmail.com, 3 btimershin99@gmail.com, 4 dmitry.kfu@ya.ru,
5 isgaliullin@gmail.com, 6 pkokunin@mail.ru, 7 jegorustow@gmail.com