@misc{RMF_2009__84_3_a5,
     title = {51. ro\v{c}n{\'\i}k {Fyzik\'aln{\'\i}} olympi\'ady, \'ulohy 1. kola},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {35--50},
     publisher = {mathdoc},
     volume = {84},
     number = {3},
     year = {2009},
     language = {cz},
     url = {https://geodesic-test.mathdoc.fr/item/RMF_2009__84_3_a5/}
}