Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{UM_2006__14_1_a2, author = {Calda, Emil}, title = {{\quotedblbase}Eukleidovsk\'e‟ \v{r}e\v{s}en{\'\i} kvadratick\'e rovnice}, journal = {U\v{c}itel matematiky}, pages = {17--21}, publisher = {mathdoc}, volume = {14}, number = {1}, year = {2006}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/UM_2006__14_1_a2/} }
Calda, Emil. „Eukleidovské‟ řešení kvadratické rovnice. Učitel matematiky, Tome 14 (2006) no. 1, pp. 17-21. http://geodesic.mathdoc.fr/item/UM_2006__14_1_a2/