TY - JOUR AU - E. G. Saltykov TI - On the justification of short-wave approximations in the problem of the diffraction of waves by a plane screen JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1974 SP - 145 EP - 156 VL - 14 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1974_14_1_a12/ LA - ru ID - ZVMMF_1974_14_1_a12 ER -