@article{PMFA_2004__49_2_a2,
     author = {K\v{r}{\'\i}\v{z}ek, Filip and K\v{r}{\'\i}\v{z}ek, Michal and \v{S}olc, Jakub},
     title = {Jakou hmotnost m\'a \v{c}ern\'a d{\'\i}ra uprost\v{r}ed na\v{s}{\'\i} {Galaxie?}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {104--113},
     publisher = {mathdoc},
     volume = {49},
     number = {2},
     year = {2004},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_2004__49_2_a2/}
}