TY - JOUR AU - L. V. Ovsyannikov TI - Group Classification of Gasdynamic Submodels JO - Informatics and Automation PY - 1998 SP - 21 EP - 29 VL - 223 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1998_223_a2/ LA - ru ID - TRSPY_1998_223_a2 ER -