@article{PMFA_1990_35_6_a3,
     author = {Cipra, Barry A.},
     title = {Ma\v{d}arsk\'y matematik roz\v{r}e\v{s}il kvadraturu kruhu},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {337--339},
     year = {1990},
     volume = {35},
     number = {6},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1990_35_6_a3/}
}