Orenburg PereselkovaZinaidaY. Orenburg State University, Prospekt Pobedy, 13, Orenburg, Orenburg region, 460018anizz@yandex.ru Read more about Pereselkova Zinaida Y. YefanovА.А. Orenburg State Pedagogical University, 460014, Orenburg, ul. Sovetskaya, 19yefanoff_91@mail.ru Read more about Yefanov А. А.