I.N. Trapeznikov - Postgraduate student, Yaroslavl State University. E-mail: trapeznikoff@list.ru
A.L. Priorov - Dr.Sc. (Eng), Associate Professor, Yaroslavl State University. E-mail: andcat@yandex.ru
A.A. Noskov - Postgraduate student, Yaroslavl State University. E-mail: noskoff.andrey@gmail.com
E.A. Aminova - Postgraduate student, Yaroslavl State University. E-mail: lena@piclab.ru