%0 Journal Article %A M. V. Khazanov %T A problem on a piston in the motion of a fluid with a free surface in a channel of circular cross section %J Differencialʹnye uravneniâ %D 1990 %P 1074-1080 %V 26 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_6_a16/ %G ru %F DE_1990_26_6_a16