I.M. Lerner - Ph.D. (Phys.-Math.), Senior Research Scientist, Doctoral Student, Kazan National Research Technical University named after A.N. Tupolev E-mail: aviap@mail.ru G.I. Il-in - Dr.Sc. (Eng.), Professor, Honored Worker of Science and Technology of Russia, Head of Department, Kazan National Research Technical University named after A.N. Tupolev E-mail: igivm@mail.ru