A.V. Kiselev1, S.A. Filist2, Haider A.Н. Alawsi3, V.V. Pesok4, A.Ye. Pshenichniy5, O.V. Shatalova6

1–6 Southwest State University (Kursk, Russia)
1 Kiselevalexey1990@gmail.com, 2 SFilist@gmail.com, 3 book.hp.2015@gmail.com, 4 lera.pesok@mail.ru,
5 lera.pesok@mail.ru, 6 shatolg@mail.ru