@article{UM_1999_7_4_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 (4) aneb {N\v{e}kter\'e} slavn\'e hypot\'ezy},
     journal = {U\v{c}itel matematiky},
     pages = {193--200},
     year = {1999},
     volume = {7},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1999_7_4_a0/}
}