@article{CMUC_1968__9_4_a12,
     author = {Zizler, V\'aclav E.},
     title = {One theorem on rotundity and smoothness of separable {Banach} spaces},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {637--640},
     publisher = {mathdoc},
     volume = {09},
     number = {4},
     year = {1968},
     mrnumber = {0256139},
     zbl = {0182.45201},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1968__9_4_a12/}
}