%0 Journal Article %A Chien, Tran Quoc %T Perturbation theory of duality in vector nonconvex optimization via the abstract duality scheme %J Kybernetika %D 1989 %P 169-174 %V 25 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1989__25_3_a2/ %G en %F KYB_1989__25_3_a2