F.F. Gabdullin - Main Specialist, Central Research Institute of Machine Building. E-mail: flur.gabdullin@gmail.com
M.Yu. Kurshakov - Ph. D. (Phys.-Math.), Vice Head of Department, Central Research Institute of Machine Building. E-mail: mkurshakov@yandex.ru
E.M. Tverdokhlebova - Ph. D. (Eng.), Head of Laboratory, Central Research Institute of Machine Building. E-mail: tverdokhlebova@tsniimash.ru