TY  - JOUR
AU  - B. S. Kruglikov
TI  - Exact smooth classification of hamiltonian vector fields on two-dimensional manifolds
JO  - Matematičeskie zametki
PY  - 1997
SP  - 179
EP  - 200
VL  - 61
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1997_61_2_a1/
LA  - ru
ID  - MZM_1997_61_2_a1
ER  -