O.I. Antipov, M.Yu. Nagornaya

A. I. Popov - Ph.D. (Eng.), Associate Professor, Department of Applied Informatics and Informatization of Education, NaRFU, Arkhangelsk, Russia. E-mail: aleneus@gmail.com
A. A. Tyulpin - Student, NaRFU, Arkhangelsk, Russia. E-mail: alekseytyulpin@gmail.com
A. V. Rudalev - Software Engineer, Applied Mathematics department, NaRFU, Arkhangelsk, Russia. E-mail: a.rudalev@narfu.ru