@misc{RMF_2017_92_4_a4,
     title = {59.~ro\v{c}n{\'\i}k {Fyzik\'aln{\'\i}} olympi\'ady, \'ulohy 1. kola kategori{\'\i} {E} a {F}},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {30--35},
     year = {2017},
     volume = {92},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/RMF_2017_92_4_a4/}
}