TY - JOUR AU - A. F. Sidorov TI - Some two-dimensional self-similar flows of a polytropic gas with variable entropy JO - Doklady Akademii Nauk PY - 1967 SP - 58 EP - 61 VL - 173 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_173_1_a14/ LA - ru ID - DAN_1967_173_1_a14 ER -