@article{UM_1992_0_4_a4,
     author = {Hrub\'y, Dag},
     title = {Co n\'am p\v{r}in\'a\v{s}{\'\i} vyu\v{c}ov\'an{\'\i} v prim\v{e}},
     journal = {U\v{c}itel matematiky},
     pages = {9--10},
     year = {1992},
     volume = {0},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1992_0_4_a4/}
}