@article{RMF_2010_85_3_a6,
     author = {T\"opfer, Pavel},
     title = {\'Ust\v{r}edn{\'\i} kolo 59. ro\v{c}n{\'\i}ku {Matematick\'e} olympi\'ady {\textendash} kategorie {P}},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {56--57},
     year = {2010},
     volume = {85},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/RMF_2010_85_3_a6/}
}