Ahundov Vladimir Maksimovich doctor of physic-mathematics sciences, professor Karyachenko Natalia candidate of technical science, assistant professor Naumova Irina Yuriivna candidate of phys-math. science, assistant professor Rakhmanov Suleiman Rahmanovich senior teacher Selegey Andriy Mikolayovich assistant professor Zdanevich Sergey Vladimirovich candidate of technical science, assistant professor