TY - JOUR AU - A. L. Polyakova TI - Plane sound wave of finite amplitude in a moving medium JO - Doklady Akademii Nauk PY - 1961 SP - 1347 EP - 1349 VL - 137 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1961_137_6_a23/ LA - ru ID - DAN_1961_137_6_a23 ER -