@article{RMF_2009_84_1_a3,
     author = {\v{S}im\v{s}a, Jarom{\'\i}r},
     title = {Odmocniny z p\v{r}irozen\'ych \v{c}{\'\i}sel},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {13--17},
     year = {2009},
     volume = {84},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/RMF_2009_84_1_a3/}
}