TY - JOUR AU - A. G. Kyurkchan TI - An inverse scattering problem for the Helmholtz equation JO - Doklady Akademii Nauk PY - 1984 SP - 48 EP - 51 VL - 275 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1984_275_1_a10/ LA - ru ID - DAN_1984_275_1_a10 ER -