@article{UM_2000_8_2_a10,
     author = {Zelenkov\'a, Jana},
     title = {Matematick\'e k\v{r}{\'\i}\v{z}ovky s tajenkou},
     journal = {U\v{c}itel matematiky},
     pages = {124--125},
     year = {2000},
     volume = {8},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2000_8_2_a10/}
}