TY  - JOUR
AU  - Helmut Hofer
TI  - Variational and Topological Methods in Partially Ordered Hilbert Spaces.
JO  - Mathematische Annalen
PY  - 1982
SP  - 493
EP  - 514
VL  - 261
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1982__261_182901/
ID  - MAN_1982__261_182901
ER  -