%0 Journal Article
%A Vieri Benci
%A Paul H. Rabinowitz
%T Critical Point Theorems for Indefinite Functionals.
%J Inventiones mathematicae
%D 1979
%P 241-274
%V 52
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1979__52_142650/
%F IM_1979__52_142650