@article{PMFA_1971__16_5_a4,
     author = {Vy\v{s}{\'\i}n, Jan},
     title = {Co nov\'eho p\v{r}in\'a\v{s}{\'\i} {Nico?}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {253--256},
     publisher = {mathdoc},
     volume = {16},
     number = {5},
     year = {1971},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1971__16_5_a4/}
}