@article{PMFA_1987_32_5_a6,
     author = {Ku\v{r}ina, Franti\v{s}ek},
     title = {Za\v{c}arovan\'y kruh \v{s}kolsk\'e geometrie},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {290--295},
     year = {1987},
     volume = {32},
     number = {5},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1987_32_5_a6/}
}