@misc{UM_1999_7_4_a5,
     title = {Matematick\'a olympi\'ada},
     journal = {U\v{c}itel matematiky},
     pages = {226--237},
     year = {1999},
     volume = {7},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1999_7_4_a5/}
}