%0 Journal Article %A Yu. P. Krasovskii %T The existence of aperiodic flows with free boundaries %J Doklady Akademii Nauk %D 1960 %P 768-770 %V 133 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_133_4_a7/ %G ru %F DAN_1960_133_4_a7