Ulyanovsk OnuprienkoKseniyaA. Ulyanovsk State University, 42 Leo Tolstoy Str., Ulyanovsk 432017, Russia simbushka94@mail.ru Read more about Onuprienko Kseniya A. ShmoylovIlya S. Ulyanovsk State University, 42 Leo Tolstoy Str., Ulyanovsk 432017, Russia i.s.shmoilov@gmail.com Read more about Ilya S. Shmoylov LobinAlexandrMikhailovich Ulyanovsk State Technical Unversity, Russia, 432027, Ulyanovsk, Severny Venets street, 32 amlobin@yandex.ru Read more about Lobin Alexandr Mikhailovich