TY  - JOUR
AU  - Rouleux, Michel
TI  - Semi-classical Integrability, Hyperbolic Flows and the Birkhoff Normal Form
JO  - Canadian journal of mathematics
PY  - 2004
SP  - 1034
EP  - 1067
VL  - 56
IS  - 5
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-2004-047-6/
DO  - 10.4153/CJM-2004-047-6
ID  - 10_4153_CJM_2004_047_6
ER  -