@article{UM_2005_13_2_a5,
     author = {Hora, Jaroslav},
     title = {Jeden nebo t\v{r}i re\'aln\'e ko\v{r}eny?},
     journal = {U\v{c}itel matematiky},
     pages = {94--99},
     year = {2005},
     volume = {13},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2005_13_2_a5/}
}