TY  - JOUR
AU  - Arnaud, M.-C.
TI  - Three results on the regularity of the curves that are invariant by an exact symplectic twist map
JO  - Publications Mathématiques de l'IHÉS
PY  - 2009
SP  - 1
EP  - 17
VL  - 109
PB  - Springer-Verlag
UR  - http://www.numdam.org/articles/10.1007/s10240-009-0017-8/
DO  - 10.1007/s10240-009-0017-8
LA  - en
ID  - PMIHES_2009__109__1_0
ER  -