%0 Journal Article %A C. Lemarechal %A C. Sagastizabal %T More Than First-Order Developments of Convex Functions: Primal-Dual Relations %J Journal of convex analysis %D 1996 %P 255-268 %V 3 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_1996_3_2_a5/ %F JCA_1996_3_2_a5