TY - JOUR AU - V. G. Grigorovich AU - V. V. Kravtsov TI - The radiation of acoustic waves from a surface through a non-uniform layer JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1992 SP - 1667 EP - 1670 VL - 32 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1992_32_10_a12/ LA - ru ID - ZVMMF_1992_32_10_a12 ER -