%0 Journal Article %A O. E. Orel %T Rotation functions in the problem of orbit classification of geodesic flows of ellipsoids and in the Euler problem of the dynamics of a rigid body %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1996 %P 24-32 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1996_1_a4/ %G ru %F VMUMM_1996_1_a4