A.A. Panov1, N.S. Semenova2, V.S. Akopyan3, A.V. Larichev4

1–4 Lomonosov Moscow State University (Moscow, Russia)

1 andrew_pan98@mail.ru, 2 semenovans@gmail.com, 3 akopyan_vs@yahoo.com, 4 79652667227@yandex.ru