%0 Journal Article %A Gilles Fournier %A Heinz-Otto Peitgen %T On Some Fixed Point Principles for Cones in Linear Normed Spaces. %J Mathematische Annalen %D 1977 %P 205-218 %V 225 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1977__225_162933/ %F MAN_1977__225_162933