Yu.E. Kuvayskova – Ph.D.(Eng.), Associate Professor, Department «Applied Mathematics and Informatics»,
Ulyanovsk State Technical University
E-mail: u.kuvaiskova@mail.ru
V.N. Klyachkin – Dr.Sc.(Eng.), Professor, Department «Applied Mathematics and Informatics»,
Ulyanovsk State Technical University
E-mail: v_kl@mail.ru