I. I. Bezukladnikov - Senior Lecturer, Perm National Research Polytechnic University
E. L. Kon - Ph.D. (Eng.), Professor, Perm National Research Polytechnic University
I. I. Bezukladnikov - Senior Lecturer, Perm National Research Polytechnic University
E. L. Kon - Ph.D. (Eng.), Professor, Perm National Research Polytechnic University