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@article{JCA_1994_1_1_a2, author = {Y. Li and S. Shi}, title = {Differentiability of {Convex} {Functions} on a {Banach} {Space} with {Smooth} {Bump} {Function}}, journal = {Journal of convex analysis}, pages = {047--06}, publisher = {mathdoc}, volume = {1}, number = {1}, year = {1994}, url = {http://geodesic.mathdoc.fr/item/JCA_1994_1_1_a2/} }
Y. Li; S. Shi. Differentiability of Convex Functions on a Banach Space with Smooth Bump Function. Journal of convex analysis, Tome 1 (1994) no. 1, pp. 047-06. http://geodesic.mathdoc.fr/item/JCA_1994_1_1_a2/