V.V. Khryashchev – Ph.D. (Eng.), Associate Professor, P.G. Demidov Yaroslavl State University

E-mail: vhr@yandex.ru

A.L. Priopov – Dr.Sc. (Eng.), Associate Professor, P.G. Demidov Yaroslavl State University

E-mail: andcat@yandex.ru

V.A. Pavlov – Post-graduate Student,  P.G. Demidov Yaroslavl State University

E-mail: vladimir@1pavlov.com

L.I. Ivanovsky – Post-graduate Student,  P.G. Demidov Yaroslavl State University

E-mail: leon19unknown@gmail.com