%0 Journal Article %A Yu. I. Mokin %T Some methods for the approximate description of the stationary flow of electrons in a vacuum diode %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1978 %P 1186-1195 %V 18 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1978_18_5_a12/ %G ru %F ZVMMF_1978_18_5_a12