TY - JOUR AU - J. E. Martinez-Legaz AU - P. H. Sach TI - A New Subdifferential in Quasiconvex Analysis JO - Journal of convex analysis PY - 1999 SP - 1 EP - 12 VL - 6 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_1999_6_1_JCA_1999_6_1_a0/ ID - JCA_1999_6_1_JCA_1999_6_1_a0 ER -