@article{CMUC_1966_7_1_a4,
     author = {Tom\'a\v{s}ek, Stanislav},
     title = {On a theorem of {M.} {Kat\v{e}tov}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {105--108},
     year = {1966},
     volume = {7},
     number = {1},
     mrnumber = {0229193},
     zbl = {0195.40701},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1966_7_1_a4/}
}