@article{UM_1999__7_1_a0,
     author = {Fuchs, Eduard},
     title = {Co je\v{s}t\v{e} nev{\'\i}me o p\v{r}irozen\'ych \v{c}{\'\i}slech (1) aneb {N\v{e}kter\'e} vlastnosti prvo\v{c}{\'\i}sel},
     journal = {U\v{c}itel matematiky},
     pages = {1--8},
     publisher = {mathdoc},
     volume = {07},
     number = {1},
     year = {1999},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/UM_1999__7_1_a0/}
}