@article{UM_1998_6_1_a0,
     author = {Ku\v{r}ina, Franti\v{s}ek},
     title = {Matematika v obrazech (1)},
     journal = {U\v{c}itel matematiky},
     pages = {1--10},
     year = {1998},
     volume = {6},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1998_6_1_a0/}
}