%0 Journal Article
%A V. V. Kozlov
%T Integrable cases of the problem of motion of a point over a three- dimensional sphere in a force field with fourth-degree potential
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1985
%P 93-95
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1985_3_a24/
%G ru
%F VMUMM_1985_3_a24