Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{UM_2000__8_1_a6, author = {Hrub\'y, Dag}, title = {O jedn\'e \'uloze na extr\'em}, journal = {U\v{c}itel matematiky}, pages = {54--56}, publisher = {mathdoc}, volume = {08}, number = {1}, year = {2000}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/UM_2000__8_1_a6/} }
Hrubý, Dag. O jedné úloze na extrém. Učitel matematiky, Tome 08 (2000) no. 1, pp. 54-56. http://geodesic.mathdoc.fr/item/UM_2000__8_1_a6/