@article{UM_2021__29_2_a4, author = {Ku\v{r}ina, Franti\v{s}ek and Vondrov\'a, Na\v{d}a}, title = {Jak to vlastn\v{e} je? {Nekone\v{c}no}}, journal = {U\v{c}itel matematiky}, pages = {111--127}, publisher = {mathdoc}, volume = {29}, number = {2}, year = {2021}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/UM_2021__29_2_a4/} }