@article{CMUC_1972_13_1_a14,
     author = {Dane\v{s}, Josef},
     title = {Surjectivity and fixed point theorems {(Preliminary} communication)},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {181--184},
     year = {1972},
     volume = {13},
     number = {1},
     mrnumber = {0308867},
     zbl = {0233.47043},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1972_13_1_a14/}
}