@article{1183523878,
author = {Laha, R. G.},
title = {On a property of functions with non-negative derivatives at the origin and its application},
journal = {Bull. Amer. Math. Soc.},
volume = {67},
number = {6},
year = {1961},
pages = { 148-150},
language = {en},
url = {http://dml.mathdoc.fr/item/1183523878}
}
Laha, R. G. On a property of functions with non-negative derivatives at the origin and its application. Bull. Amer. Math. Soc., Tome 67 (1961) no. 6, pp. 148-150. http://gdmltest.u-ga.fr/item/1183523878/