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 13 март 2025 г.];(6):114-20. доступно на: http://91834.libg.asia/physics-mathematics/article/view/2729