Ибраев А. CONSTRUCTION AND APPLICATION OF A DYNAMIC MOTION COUNTING SYSTEM FOR RESEARCHING THE PROPERTIES OF ELECTRON MIRRORS AND CATHODE LENSES. PMS [Интернет]. 15 декабрь 2021 г. [цитируется по 30 январь 2025 г.];(6):114-20. доступно на: http://189185.vm7pq.group/physics-mathematics/article/view/2729