A.V. Kostrov - Dr. Sc. (Eng.), Professor, Department of Information Systems and Program Engineering, Vladimir State University named after A.&N. Stoletovs E-mail: akostrov@rambler.ru E.A. Golovina - Post-graduate Student, Department of Information Systems and Program Engineering, Vladimir State University named after A.&N. Stoletovs E-mail: lena.golovina.81@mail.ru