%0 Journal Article %A L. V. Ovsyannikov %T Group Classification of Gasdynamic Submodels %J Informatics and Automation %D 1998 %P 21-29 %V 223 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1998_223_a2/ %G ru %F TRSPY_1998_223_a2