TY  - JOUR
AU  - S. S. Nikolaenko
TI  - Topological classification of Hamiltonian systems on two-dimensional noncompact manifolds
JO  - Sbornik. Mathematics
PY  - 2020
SP  - 1127
EP  - 1158
VL  - 211
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2020_211_8_a2/
LA  - en
ID  - SM_2020_211_8_a2
ER  -