@article{AUPO_1972__12_1_a6,
     author = {Tr\'avn{\'\i}\v{c}ek, Stanislav and Kojeck\'a-Hodin\'a\v{r}ov\'a, Jitka},
     title = {Einige {Bemerkungen} \"uber die {Nullstellen} im zweidimensionalen {Raum} stetiger {Funktionen}},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {45--50},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {1972},
     mrnumber = {0346241},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1972__12_1_a6/}
}