Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{RMF_2006__81_1_a1, author = {Calda, Emil}, title = {Apolloniova kru\v{z}nice a kruhov\'y kule\v{c}n{\'\i}k}, journal = {Rozhledy matematicko-fyzik\'aln{\'\i}}, pages = {9--15}, publisher = {mathdoc}, volume = {81}, number = {1}, year = {2006}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/RMF_2006__81_1_a1/} }
Calda, Emil. Apolloniova kružnice a kruhový kulečník. Rozhledy matematicko-fyzikální, Tome 81 (2006) no. 1, pp. 9-15. http://geodesic.mathdoc.fr/item/RMF_2006__81_1_a1/