Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{UM_2011__19_4_a2, author = {Hrub\'y, Dag}, title = {Troj\'uheln{\'\i}k v {Gaussov\v{e}} rovin\v{e}}, journal = {U\v{c}itel matematiky}, pages = {209--221}, publisher = {mathdoc}, volume = {19}, number = {4}, year = {2011}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/UM_2011__19_4_a2/} }
Hrubý, Dag. Trojúhelník v Gaussově rovině. Učitel matematiky, Tome 19 (2011) no. 4, pp. 209-221. http://geodesic.mathdoc.fr/item/UM_2011__19_4_a2/