%0 Journal Article %A P. Q. Khanh %A N. D. Tuan %T Optimality Conditions using Approximations for Nonsmooth Vector Optimization Problems under General Inequality Constraints %J Journal of convex analysis %D 2009 %P 169-186 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2009_16_1_JCA_2009_16_1_a8/ %F JCA_2009_16_1_JCA_2009_16_1_a8