%0 Journal Article %A L. V. Komarovskii %T An exact solution for a three-dimensional unsteady gas flow of the double wave type %J Doklady Akademii Nauk %D 1960 %P 33-35 %V 135 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_135_1_a7/ %G ru %F DAN_1960_135_1_a7