@article{JCA_2014_21_3_JCA_2014_21_3_a15,
     author = {C. Guti\'errez and L. Huerga and B. Jim\'enez and V. Novo},
     title = {Proper {Approximate} {Solutions} and {\ensuremath{\varepsilon}-Subdifferentials} in {Vector} {Optimization:} {Moreau-Rockafellar} {Type} {Theorems}},
     journal = {Journal of convex analysis},
     pages = {857--886},
     publisher = {mathdoc},
     volume = {21},
     number = {3},
     year = {2014},
     url = {http://geodesic.mathdoc.fr/item/JCA_2014_21_3_JCA_2014_21_3_a15/}
}