TY - JOUR AU - Y Gao AU - Z.-Q. Xia AU - L.-W. Zhang TI - Kernelled Quasidifferential for a Quasidifferentiable Function in Two-Dimensional Space JO - Journal of convex analysis PY - 2001 SP - 401 EP - 408 VL - 8 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_2001_8_2_JCA_2001_8_2_a5/ ID - JCA_2001_8_2_JCA_2001_8_2_a5 ER -