@article{JCA_2010_17_1_JCA_2010_17_1_a14,
     author = {R. A. Poliquin and R. T. Rockafellar},
     title = {A {Calculus} of {Prox-Reguarity}},
     journal = {Journal of convex analysis},
     pages = {203--21},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {2010},
     url = {http://geodesic.mathdoc.fr/item/JCA_2010_17_1_JCA_2010_17_1_a14/}
}