@article{1183509573,
author = {Riordan, John},
title = {Derivatives of composite functions},
journal = {Bull. Amer. Math. Soc.},
volume = {52},
number = {12},
year = {1946},
pages = { 664-667},
language = {en},
url = {http://dml.mathdoc.fr/item/1183509573}
}
Riordan, John. Derivatives of composite functions. Bull. Amer. Math. Soc., Tome 52 (1946) no. 12, pp. 664-667. http://gdmltest.u-ga.fr/item/1183509573/