@article{UM_2018_26_2_a4,
     author = {Ku\v{r}ina, Franti\v{s}ek},
     title = {On nebo off - experiment, kter\'y nic nestoj{\'\i}},
     journal = {U\v{c}itel matematiky},
     pages = {115--120},
     year = {2018},
     volume = {26},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2018_26_2_a4/}
}