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@article{JCA_1997_4_2_a12, author = {M. L. Radulescu and F. H. Clarke}, title = {Geometric {Approximation} of {Proximal} {Normals}}, journal = {Journal of convex analysis}, pages = {373--38}, publisher = {mathdoc}, volume = {4}, number = {2}, year = {1997}, url = {http://geodesic.mathdoc.fr/item/JCA_1997_4_2_a12/} }
M. L. Radulescu; F. H. Clarke. Geometric Approximation of Proximal Normals. Journal of convex analysis, Tome 4 (1997) no. 2, pp. 373-38. http://geodesic.mathdoc.fr/item/JCA_1997_4_2_a12/