@article{RMF_2011_86_1_a9,
     author = {Pan\'ak, Martin},
     title = {51. {Mezin\'arodn{\'\i}} matematick\'a olympi\'ada},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {41--47},
     year = {2011},
     volume = {86},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/RMF_2011_86_1_a9/}
}