%0 Journal Article
%A S. S. Nikolaenko
%T Topological classification of Hamiltonian systems on two-dimensional noncompact manifolds
%J Sbornik. Mathematics
%D 2020
%P 1127-1158
%V 211
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_2020_211_8_a2/
%G en
%F SM_2020_211_8_a2