%0 Journal Article %A O. E. Orel %T The integrable Euler and Jacobi problems are not topologically %J Doklady Akademii Nauk %D 1997 %P 307-309 %V 354 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1997_354_3_a4/ %G ru %F DAN_1997_354_3_a4