%0 Journal Article
%A V. A. Samsonov
%A T. S. Sumin
%T Stability of equilibrium state of a mechanical system with two degrees of freedom
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 2004
%P 60-62
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_2004_4_a11/
%G ru
%F VMUMM_2004_4_a11