TY - JOUR AU - V. A. Suchkov TI - Double waves of plane flows having variable entropy JO - Doklady Akademii Nauk PY - 1975 SP - 816 EP - 818 VL - 223 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1975_223_4_a11/ LA - ru ID - DAN_1975_223_4_a11 ER -