T.G. Artyushina - Ph. D. (Eng.), Associate Professor, Department «Higher Mathematics», Plekhanov Russian University of Economics (Moscow). E-mail: t.g.art@yandex.ru
E.M. Remezova - Senior Lecturer, Department «UITES», Vladimir State University named after A.&N. Stoletovs
E-mail: katarina.remezova@yandex.ru
V.G. Chernov - Dr. Sc. (Econ.), Professor, Department «UITES», Vladimir State University named after A.&N. Stoletovs
E-mail: vladimir.chernov44@mail.ru