@article{UM_2016__24_2_a4,
     author = {Hor\'ak, Karel},
     title = {56. mezin\'arodn{\'\i} matematick\'a olympi\'ada},
     journal = {U\v{c}itel matematiky},
     pages = {107--113},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {2016},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/UM_2016__24_2_a4/}
}