TY - JOUR AU - O. A. Godin TI - The wave equation for an acoustic field in a fluid with density JO - Doklady Akademii Nauk PY - 1984 SP - 579 EP - 582 VL - 276 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1984_276_3_a15/ LA - ru ID - DAN_1984_276_3_a15 ER -