TY - JOUR AU - E. S. Semenov AU - O. P. Plankin AU - R. M. Rozental' TI - Development of methods of gyrotrons electron-optics systems with axial symmetry distortion JO - Izvestiya VUZ. Applied Nonlinear Dynamics PY - 2015 SP - 94 EP - 105 VL - 23 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVP_2015_23_3_a7/ LA - ru ID - IVP_2015_23_3_a7 ER -