%0 Journal Article %A V. V. Beletskii %T Integrability of equations of motion of a solid around a fixed point under the action of a central Newtonian field of force %J Doklady Akademii Nauk %D 1957 %P 287-290 %V 113 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_113_2_a11/ %G ru %F DAN_1957_113_2_a11