@article{JCA_2015_22_4_JCA_2015_22_4_a14,
     author = {D. Azagra and C. Mudarra},
     title = {Global {Approximation} of {Convex} {Functions} by {Differentiable} {Convex} {Functions} on {Banach} {Spaces}},
     journal = {Journal of convex analysis},
     pages = {1197--1205},
     year = {2015},
     volume = {22},
     number = {4},
     url = {http://geodesic.mathdoc.fr/item/JCA_2015_22_4_JCA_2015_22_4_a14/}
}