@article{1102946085, author = {Luna, George}, title = {Subdifferentials of convex functions on Banach spaces.}, journal = {Pacific J. Math.}, volume = {49}, number = {2}, year = {1973}, pages = { 161-175}, language = {en}, url = {http://dml.mathdoc.fr/item/1102946085} }
Luna, George. Subdifferentials of convex functions on Banach spaces.. Pacific J. Math., Tome 49 (1973) no. 2, pp. 161-175. http://gdmltest.u-ga.fr/item/1102946085/