%0 Journal Article %A O. I. Bogoyavlenskii %T Integrable cases of the dynamics of a~rigid body, and integrable systems on the spheres~$S^n$ %J Izvestiya. Mathematics %D 1986 %P 203-218 %V 27 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1986_27_2_a0/ %G en %F IM2_1986_27_2_a0