A.G. Kozlov1, K.S. Baklanova2, M.G. Potudanskaia3

1 Omsk State Technical University (Omsk, Russia)
2,3 Dostoevsky Omsk State University (Omsk, Russia)
1 agk252@mail.ru, 2 ksyusha.m@mail.ru, 3 potudanskaiamg@omsu.ru