@article{PMFA_1959__4_1_a2,
     author = {Ficht\v{e}ngolc, G. M.},
     title = {Iracion\'aln{\'\i} \v{c}{\'\i}sla na st\v{r}edn{\'\i} \v{s}kole},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {22--33},
     publisher = {mathdoc},
     volume = {04},
     number = {1},
     year = {1959},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1959__4_1_a2/}
}