TY - JOUR AU - L. M. Lyamshev TI - On the determination of impedance in the acoustics of moving medium JO - Doklady Akademii Nauk PY - 1981 SP - 74 EP - 78 VL - 261 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1981_261_1_a18/ LA - ru ID - DAN_1981_261_1_a18 ER -