E.O. Antonov – Student, Peter The Great St. Petersburg Polytechnic University
E-mail: evgantonov@yandex.ru
D.K. Fadeev – Assistant, Peter The Great St. Petersburg Polytechnic University E-mail: 1097@bk.ru
Ngoc N. Tan – Engineer, Peter The Great St. Petersburg Polytechnic University
E-mail: ngoctan1610@yahoo.com
A.V. Rashich – Ph.D.(Eng.), Associate Professor, Peter The Great St. Petersburg Polytechnic University E-mail: andrey.rashich@gmail.com