%0 Journal Article %A Yu. I. Mokin %T On two models of the steady state motion of charged particles in a~vacuum diode %J Sbornik. Mathematics %D 1978 %P 785-812 %V 34 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1978_34_6_a5/ %G en %F SM_1978_34_6_a5