@misc{PMFA_1957_2_3_a19,
     title = {V\'ytahy z p\v{r}edn\'a\v{s}ek},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {383--389},
     year = {1957},
     volume = {2},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1957_2_3_a19/}
}