TY  - JOUR
AU  - Carl P. Simon
TI  - A Bound for the Fixed-Point Index of an Area-Preserving Map with Applications to Mechanics.
JO  - Inventiones mathematicae
PY  - 1974
SP  - 187
EP  - 200
VL  - 26
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1974__26_142298/
ID  - IM_1974__26_142298
ER  -