@article{JCA_2016_23_3_JCA_2016_23_3_a0,
     author = {M. Fabian and A. Ioffe},
     title = {Separable {Reductions} and {Rich} {Families} in the {Theory} of {Fr\'echet} {Subdifferentials}},
     journal = {Journal of convex analysis},
     pages = {631--648},
     year = {2016},
     volume = {23},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/JCA_2016_23_3_JCA_2016_23_3_a0/}
}