%0 Journal Article
%A S. P. Novikov
%A A. S. Schwarz
%T Discrete Lagrangian systems on graphs. Symplectic-topological properties
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1999
%P 258-259
%V 54
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1999_54_1_a12/
%G en
%F RM_1999_54_1_a12