@article{00823375, title = {Proximal smoothness and the lower-}, journal = {Journal of Convex Analysis}, volume = {2}, year = {1995}, pages = {117-144}, zbl = {0881.49008}, language = {en}, url = {http://dml.mathdoc.fr/item/00823375} }
Clarke, F.H.; Stern, R.J.; Wolenski, P.R. Proximal smoothness and the lower-. Journal of Convex Analysis, Tome 2 (1995) pp. 117-144. http://gdmltest.u-ga.fr/item/00823375/