%0 Journal Article %A M. Bardi %A F. Dragoni %T Subdifferential and Properties of Convex Functions with Respect to Vector Fields %J Journal of convex analysis %D 2014 %P 785-81 %V 21 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2014_21_3_JCA_2014_21_3_a10/ %F JCA_2014_21_3_JCA_2014_21_3_a10