@article{RMF_2006_81_2_a2,
     author = {Mach\'a\v{c}ek, Martin},
     title = {Deset neexistuj{\'\i}c{\'\i}ch dn\r{u}},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {9--10},
     year = {2006},
     volume = {81},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/RMF_2006_81_2_a2/}
}