@article{CMUC_1995_36_2_a4,
     author = {Tang, Wee-Kee},
     title = {On {Fr\'echet} differentiability of convex functions on {Banach} spaces},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {249--253},
     year = {1995},
     volume = {36},
     number = {2},
     mrnumber = {1357526},
     zbl = {0831.46045},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1995_36_2_a4/}
}