Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{UM_1996__4_4_a3, author = {Hrub\'y, Dag}, title = {Troj\'uheln{\'\i}kov\'a nerovnost aneb no\v{s}en{\'\i} vody v konvi}, journal = {U\v{c}itel matematiky}, pages = {205--212}, publisher = {mathdoc}, volume = {04}, number = {4}, year = {1996}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/UM_1996__4_4_a3/} }
Hrubý, Dag. Trojúhelníková nerovnost aneb nošení vody v konvi. Učitel matematiky, Tome 04 (1996) no. 4, pp. 205-212. http://geodesic.mathdoc.fr/item/UM_1996__4_4_a3/