%0 Journal Article %A E. V. Makarevich %T Optimal system of subalgebras admitted by the gas dynamics equations in case of state equation with separated density %J Sibirskie èlektronnye matematičeskie izvestiâ %D 2011 %P 19-38 %V 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/SEMR_2011_8_a2/ %G ru %F SEMR_2011_8_a2