Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1988__43_3_141435, author = {Lawrence Zalcman}, title = {Positive derivatives and increasing functions.}, journal = {Elemente der Mathematik}, pages = {120--121}, publisher = {mathdoc}, volume = {43}, number = {3}, year = {1988}, zbl = {0701.26006}, url = {http://geodesic.mathdoc.fr/item/ELMA_1988__43_3_141435/} }
Lawrence Zalcman. Positive derivatives and increasing functions.. Elemente der Mathematik, Tome 43 (1988) no. 3, pp. 120-121. http://geodesic.mathdoc.fr/item/ELMA_1988__43_3_141435/