TY - JOUR AU - Chien, Tran Quoc TI - Nondifferentiable and quasidifferentiable duality in vector optimization theory JO - Kybernetika PY - 1985 SP - 298 EP - 312 VL - 21 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1985__21_4_a5/ LA - en ID - KYB_1985__21_4_a5 ER -