1. Application of tensor analysis;McConnell,1957
2. Theory of electron beams formation;Ovcharov;Radiotekhnika i elektronika (Journal of Communications Technology and Electronics),1957
3. Dynamics of electron beams;Gabor;Proceedings of the IRE,1945
4. Magnetic forces and relativistic speeds in stationary electron beams;Meltzer;Journal of Electronics and Control,1958
5. On the equations of paraxial optics for electron beams with high current density;Kormylitsyn;Radiotekhnika i elektronika (Journal of Communications Technology and Electronics),1960