%0 Journal Article %A F. Jules %A M. Lassonde %T Formulas for Subdifferentials of Sums of Convex Functions %J Journal of convex analysis %D 2002 %P 519-533 %V 9 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2002_9_2_JCA_2002_9_2_a11/ %F JCA_2002_9_2_JCA_2002_9_2_a11