%0 Journal Article
%A L. M. Lerman
%A Ya. L. Umanskii
%T Necessary conditions for the existence of heteroclinic trajectories in an integral Hamiltonian system with two degrees of freedom
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1983
%P 150-151
%V 38
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1983_38_5_a14/
%G en
%F RM_1983_38_5_a14