@article{UM_1999_7_3_a1,
     author = {Vesel\'y, Ji\v{r}{\'\i}},
     title = {O n\'asoben{\'\i} \v{r}ad (1)},
     journal = {U\v{c}itel matematiky},
     pages = {137--145},
     year = {1999},
     volume = {7},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1999_7_3_a1/}
}