%0 Journal Article
%A Peter Hess
%T A Homotopy Argument for Mappings of Monotone Type in Banach Spaces.
%J Mathematische Annalen
%D 1974
%P 63-66
%V 207
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1974__207_162531/
%F MAN_1974__207_162531