@misc{RMF_2007_82_2_a4,
     title = {\'Ulohy dom\'ac{\'\i}ho kola 57. ro\v{c}n{\'\i}ku {Matematick\'e} olympi\'ady pro \v{z}\'aky z\'akladn{\'\i}ch \v{s}kol},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {31--37},
     year = {2007},
     volume = {82},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/RMF_2007_82_2_a4/}
}