TY  - JOUR
AU  - Thomas Bartsch
AU  - Mónica Clapp
TI  - The compact category and mulitple periodic solutions of Hamiltionian systems on symmetric starshaped energy surfaces.
JO  - Mathematische Annalen
PY  - 1992
SP  - 523
EP  - 542
VL  - 293
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1992__293_4_164974/
ID  - MAN_1992__293_4_164974
ER  -