%0 Journal Article %A A. V. Popov %T Solution of a parabolic equation of diffraction theory by the method of finite differences %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1968 %P 1140-1144 %V 8 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1968_8_5_a20/ %G ru %F ZVMMF_1968_8_5_a20