%0 Journal Article %A N. N. Kochina %A N. S. Mel'nikova %T On the nonstationary motion of gas displaced by a piston, taking counterpressure into account %J Doklady Akademii Nauk %D 1958 %P 192-195 %V 122 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_122_2_a7/ %G ru %F DAN_1958_122_2_a7