Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{UM_2009__17_2_a2, author = {Beran, Ladislav and Trch, Milan}, title = {P\v{r}{\'\i}mka, kterou hled\'ate (1)}, journal = {U\v{c}itel matematiky}, pages = {81--85}, publisher = {mathdoc}, volume = {17}, number = {2}, year = {2009}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/UM_2009__17_2_a2/} }
Beran, Ladislav; Trch, Milan. Přímka, kterou hledáte (1). Učitel matematiky, Tome 17 (2009) no. 2, pp. 81-85. http://geodesic.mathdoc.fr/item/UM_2009__17_2_a2/