%0 Journal Article
%A A. S. Logachev
%T Nondegeneracy of conditionally periodic motions of a heavy rigid body in the Kovalevskaya case
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1984
%P 82-85
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1984_4_a21/
%G ru
%F VMUMM_1984_4_a21