%0 Journal Article %A C. Gutiérrez %A L. Huerga %A B. Jiménez %A V. Novo %T Henig Approximate Proper Efficiency and Optimization Problems with Difference of Vector Mappings %J Journal of convex analysis %D 2016 %P 661-69 %V 23 %N 3 %U http://geodesic.mathdoc.fr/item/JCA_2016_23_3_JCA_2016_23_3_a2/ %F JCA_2016_23_3_JCA_2016_23_3_a2