%0 Journal Article %A T. Precupanu %T Characterizations of Pointwise Additivity of Subdifferential %J Journal of convex analysis %D 2013 %P 221-231 %V 20 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2013_20_1_JCA_2013_20_1_a12/ %F JCA_2013_20_1_JCA_2013_20_1_a12