%0 Journal Article
%A Helmut Hofer
%T Variational and Topological Methods in Partially Ordered Hilbert Spaces.
%J Mathematische Annalen
%D 1982
%P 493-514
%V 261
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1982__261_182901/
%F MAN_1982__261_182901