TY - JOUR AU - Z.-Q. Xia AU - M.-Z. Wang AU - L.-W. Zhang TI - Directional Derivative of a Class of Set-Valued Mappings and its Applications JO - Journal of convex analysis PY - 2003 SP - 211 EP - 227 VL - 10 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_2003_10_1_JCA_2003_10_1_a10/ ID - JCA_2003_10_1_JCA_2003_10_1_a10 ER -