@article{PMFA_2004_49_4_a6,
     author = {K\v{r}{\'\i}\v{z}ek, Michal},
     title = {O~jednozna\v{c}nosti a~nejednozna\v{c}nosti \v{r}e\v{s}en{\'\i} rovnic},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {317--321},
     year = {2004},
     volume = {49},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_2004_49_4_a6/}
}