TY  - JOUR
AU  - L. M. Lerman
TI  - On the behaviour of a~Hamiltonian system in a~neighbourhood 

JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1989
SP  - 285
EP  - 286
VL  - 44
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1989_44_2_a8/
LA  - en
ID  - RM_1989_44_2_a8
ER  -