@article{PMFA_1988__33_4_a2,
     author = {Kowalski, Old\v{r}ich},
     title = {Co je to {Davidova} zpr\'ava},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {223--228},
     publisher = {mathdoc},
     volume = {33},
     number = {4},
     year = {1988},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1988__33_4_a2/}
}