@article{PMFA_1974__19_2_a7,
     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 = {99--102},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {1974},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1974__19_2_a7/}
}