K.K. Vasiliev - Dr. Sci. (Eng.), professor, Ulyanovsk State Technical University. E-mail: vkk@ulstu.ru
V.E. Dementiev - Ph.D. (Eng.), associate professor, Ulyanovsk State Technical University. E-mail: vitawed@mail.ru
N.A. Andriyanov - post-graduate student, Ulyanovsk State Technical University. E-mail: nikita-and-nov@mail.ru

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