%0 Journal Article %A D. F. Abzalilov %A N. B. Il'inskii %T On an extremal problem of the flow of an ideal incompressible %J Doklady Akademii Nauk %D 1997 %P 43-46 %V 354 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1997_354_1_a7/ %G ru %F DAN_1997_354_1_a7