@article{PMFA_1998__43_3_a0,
     author = {Grygar, Ji\v{r}{\'\i}},
     title = {\'Uloha p\v{r}esnosti p\v{r}i astronomick\'ych objevech},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {177--183},
     publisher = {mathdoc},
     volume = {43},
     number = {3},
     year = {1998},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1998__43_3_a0/}
}