Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@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}, publisher = {mathdoc}, volume = {32}, number = {5}, year = {1987}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/PMFA_1987__32_5_a6/} }
Kuřina, František. Začarovaný kruh školské geometrie. Pokroky matematiky, fyziky a astronomie, Tome 32 (1987) no. 5, pp. 290-295. http://geodesic.mathdoc.fr/item/PMFA_1987__32_5_a6/