Волгоград

ShurkaevaD.V. Volgograd State University, 100, University prospekt, Volgograd, Russia diana-547@ya.ru

VikharevS.S. Volgograd State University, 100, University prospekt, Volgograd, Russia vhr1987@mail.ru

SvetlovA.V. Volgograd State University, 100, University prospekt, Volgograd, Russia a.v.svetlov@gmail.com

Rasstrigin Aleksandr Leonidovich Volgograd State Socio-pedagogical University, Russia, 400066, Volgograd, Lenina pr., 27. rasal@fizmat.vspu.ru

Kartashova Anna Vladimirovna Volgograd State Socio-pedagogical University, Russia, 400066, Volgograd, Lenina pr., 27. kartashovaan@yandex.ru

Kartashov Vladimir Konstantinovich Volgograd State Socio-pedagogical University, Russia, 400066, Volgograd, Lenina pr., 27. kartashovvk@yandex.ru