%0 Journal Article %A E. Beutner %T On the Closedness of the Sum of Closed Convex Cones in Reflexive Banach Spaces %J Journal of convex analysis %D 2007 %P 99-102 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2007_14_1_JCA_2007_14_1_a6/ %F JCA_2007_14_1_JCA_2007_14_1_a6