TY  - JOUR
AU  - H. Hofer
AU  - E. Zehnder
TI  - Periodic Solutions on hypersurfaces and a result by C. Viterbo.
JO  - Inventiones mathematicae
PY  - 1987
SP  - 1
EP  - 10
VL  - 90
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1987__90_143499/
ID  - IM_1987__90_143499
ER  -