%0 Journal Article %A E. G. Saltykov %T On the justification of short-wave approximations in the problem of the diffraction of waves by a plane screen %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1974 %P 145-156 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1974_14_1_a12/ %G ru %F ZVMMF_1974_14_1_a12