@article{RMF_2011_86_1_a2,
     author = {Tr\'avn{\'\i}\v{c}ek, Stanislav},
     title = {\'Uloha o kart\'ach},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {17--23},
     year = {2011},
     volume = {86},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/RMF_2011_86_1_a2/}
}