@article{UM_2021_29_3_a2,
     author = {Ku\v{r}ina, Franti\v{s}ek and Vondrov\'a, Na\v{d}a},
     title = {Jak to vlastn\v{e} je? {Velikost} \'use\v{c}ky},
     journal = {U\v{c}itel matematiky},
     pages = {167--182},
     year = {2021},
     volume = {29},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2021_29_3_a2/}
}