N.A. Svetlakova1, A.S. Frolova2, I.S. Milentyeva3, O.G. Altshuler4, S.L. Luzyanin5

1–5 Kemerovo State University (Kemerovo, Russia)

1 svetlakova32@mail.ru, 2 frolova.anna.s@mail.ru, 3 irazumnikova@mail.ru, 4 colo@list.ru, 5 sl_luzyanin@mail.ru