%0 Journal Article %A J. E. Martinez-Legaz %A P. H. Sach %T A New Subdifferential in Quasiconvex Analysis %J Journal of convex analysis %D 1999 %P 1-12 %V 6 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_1999_6_1_JCA_1999_6_1_a0/ %F JCA_1999_6_1_JCA_1999_6_1_a0