TY - JOUR AU - O. A. Godin TI - The reciprocity principle for waves on the background of a flow of JO - Doklady Akademii Nauk PY - 1996 SP - 614 EP - 617 VL - 351 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1996_351_5_a8/ LA - ru ID - DAN_1996_351_5_a8 ER -