P.S. Zasedateleva - Post-graduate Student, Department of Economic and Information Systems, Povolzhskiy State University of Telecommunications and Informatics, Samara. E-mail: zasedateleva-ps@mail.ru O.N. Maslov - Dr.Sc. (Eng.), Professor, Head of Department of Economic and Information Sys-tems,Povolzhskiy State University of Telecommunications and Informatics. E-mail: maslov@psati.ru