@article{RMF_2014_89_4_a1,
     author = {Zhouf, Jaroslav},
     title = {U\v{z}ite\v{c}n\'e roz\v{s}{\'\i}\v{r}en{\'\i} definice kombina\v{c}n{\'\i}ho \v{c}{\'\i}sla},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {14--15},
     year = {2014},
     volume = {89},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/RMF_2014_89_4_a1/}
}