%0 Journal Article %T The volume charge in an axially asymmetric electron beam in the focusing magnetic field under the complete cathode shielding in the multifrequency mode %A Bieliavskiy Ye. D. %J Tekhnika i Pribory SVCh %D 2011 %I %X The nonlinear equations for the two-dimensional-disc model of electronic beam in the focusing magnetic field under the complete cathode shielding and the interaction between beam and azimuthally asymmetric HF field in multifrequency conditions are obtained. %K space charge %K focusing magnetic field %K complete screening of the cathode %K multifrequency -mode %U http://www.tkea.com.ua/svc/2011/1_2011/pdf/03.zip