Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{UM_2007__15_2_a3, author = {Kobza, Ale\v{s}}, title = {Planimetrick\'a \'uloha o extr\'emu}, journal = {U\v{c}itel matematiky}, pages = {89--94}, publisher = {mathdoc}, volume = {15}, number = {2}, year = {2007}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/UM_2007__15_2_a3/} }
Kobza, Aleš. Planimetrická úloha o extrému. Učitel matematiky, Tome 15 (2007) no. 2, pp. 89-94. http://geodesic.mathdoc.fr/item/UM_2007__15_2_a3/