N.A. Andriyanov1, A.L. Kim2

1,2 Financial University under the Government of the Russian Federation (Moscow, Russia)

1 naandriyanov@fa.ru, 2 alkim@fa.ru

A.I. Sukachev1, R.S. Domrachev2, E.A. Sukacheva3

1-3 Voronezh State Technical University (Voronezh, Russia)

1 mag.dip@yandex.ru; 2 ggromagg@list.ru; 3 elena_s_1331@mail.ru