%0 Journal Article %A Chien, Tran Quoc %T Perturbation theory of duality in vector optimization via the abstract duality scheme %J Kybernetika %D 1987 %P 67-81 %V 23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1987__23_1_a6/ %G en %F KYB_1987__23_1_a6