@article{RMF_2006__81_4_a9,
     author = {Zhouf, Jaroslav},
     title = {47. mezin\'arodn{\'\i} matematick\'a olympi\'ada},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {46--49},
     publisher = {mathdoc},
     volume = {81},
     number = {4},
     year = {2006},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/RMF_2006__81_4_a9/}
}