%0 Journal Article %A Charles R. DePrima %A W.V. Petryshyn %T Remarks on Strict Monotonicity and Surjectivity Properties of Duality Mappings Definied on Real Normed Linear Spaces. %J Mathematische Zeitschrift %D 1971 %P 49-55 %V 123 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1971__123_171619/ %F MZ_1971__123_171619