%0 Journal Article
%A K. S. Sibirskii
%T Dynamical systems close to Hamiltonian ones
%J Differencialʹnye uravneniâ
%D 1967
%P 2177-2178
%V 3
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1967_3_12_a17/
%G ru
%F DE_1967_3_12_a17