@article{JCA_2008_15_2_JCA_2008_15_2_a12,
     author = {F. J. Arag\'on Artacho and M. H. Geoffroy},
     title = {Characterization of {Metric} {Regularity} of {Subdifferentials}},
     journal = {Journal of convex analysis},
     pages = {365--38},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {2008},
     url = {http://geodesic.mathdoc.fr/item/JCA_2008_15_2_JCA_2008_15_2_a12/}
}