@article{RMF_2008_83_2_a1,
     author = {Calda, Emil},
     title = {Vektory v \'uloze o barevn\'ych kuli\v{c}k\'ach},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {12--14},
     year = {2008},
     volume = {83},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/RMF_2008_83_2_a1/}
}