%0 Journal Article %A S. Z. Németh %A A. B. Németh %T About the Existence of an Isotone Retraction onto a Convex Cone %J Journal of convex analysis %D 2011 %P 707-72 %V 18 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2011_18_3_JCA_2011_18_3_a7/ %F JCA_2011_18_3_JCA_2011_18_3_a7