TY - JOUR AU - O. A. Godin TI - A wave equation for sound in a medium with slow currents JO - Doklady Akademii Nauk PY - 1987 SP - 63 EP - 67 VL - 293 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1987_293_1_a13/ LA - ru ID - DAN_1987_293_1_a13 ER -