TY - JOUR AU - V. G. Makaryan AU - N. E. Molevich AU - D. P. Porfir'ev TI - The classification of gas-dynamic structures described by the nonlinear acoustical equation of a~relaxing medium JO - Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ PY - 2009 SP - 92 EP - 104 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGU_2009_6_a9/ LA - ru ID - VSGU_2009_6_a9 ER -