%0 Journal Article %A T. Q. Bao %A G. Eichfelder %A B. Soleimani %A C. Tammer %T Ekeland's Variational Principle for Vector Optimization with Variable Ordering Structure %J Journal of convex analysis %D 2017 %P 393-415 %V 24 %N 2 %U http://geodesic.mathdoc.fr/item/JCA_2017_24_2_JCA_2017_24_2_a3/ %F JCA_2017_24_2_JCA_2017_24_2_a3