TY - JOUR AU - V. P. Maslov AU - V. A. Tsupin TI - Necessary conditions for the existence of infinitesimally narrow solitons in gas dynamics JO - Doklady Akademii Nauk PY - 1979 SP - 298 EP - 300 VL - 246 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1979_246_2_a9/ LA - ru ID - DAN_1979_246_2_a9 ER -