L. V. Bokut, A. Ya. Kuleshov

I.A. Timina - Assistant, Department «Information Systems», Ulyanovsk State Technical University. E-mail: i.timina@ulstu.ru Yu.A Radionova - Ph. D. (Eng.), Leading Part-programming engineer, FRPC OJSC «RPA «Mars» (Ulyanovsk). E-mail: julia-owl@mail.ru N.G. Yarushkina - Dr. Sc. (Eng.), Professor, Head of Department «Information Systems», Ulyanovsk State Tech-nical University. E-mail: jng@ulstu.ru E.N. Egov - Assistant, Department «Information Systems», Ulyanovsk State Technical University. E-mail: kater73ru@rambler.ru