@article{CMUC_1995__36_3_a10,
     author = {Godefroy, G. and Montesinos, V. and Zizler, V.},
     title = {Strong subdifferentiability of norms and geometry of {Banach} spaces},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {493--502},
     publisher = {mathdoc},
     volume = {36},
     number = {3},
     year = {1995},
     mrnumber = {1364490},
     zbl = {0844.46006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1995__36_3_a10/}
}