%0 Journal Article %A S. S. Grigoryan %T On some exact solutions of gas dynamics equations %J Doklady Akademii Nauk %D 1958 %P 606-609 %V 121 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_121_4_a8/ %G ru %F DAN_1958_121_4_a8