%0 Journal Article
%A P. P. Bobrik
%T Periodic solutions in a problem of a heavy rigid body with one fixed point
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1990
%P 52-55
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1990_1_a12/
%G ru
%F VMUMM_1990_1_a12