@article{UM_1992_0_3_a24,
     author = {Koman, Milan},
     title = {V\'yzva vedouc{\'\i}m koresponden\v{c}n{\'\i}ch semin\'a\v{r}\r{u} matematiky pro {Z\v{S}}},
     journal = {U\v{c}itel matematiky},
     pages = {50},
     year = {1992},
     volume = {0},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1992_0_3_a24/}
}