@article{1177728083,
author = {Pitman, E. J. G.},
title = {On the Derivatives of a Characteristic Function at the Origin},
journal = {Ann. Math. Statist.},
volume = {27},
number = {4},
year = {1956},
pages = { 1156-1160},
language = {en},
url = {http://dml.mathdoc.fr/item/1177728083}
}
Pitman, E. J. G. On the Derivatives of a Characteristic Function at the Origin. Ann. Math. Statist., Tome 27 (1956) no. 4, pp. 1156-1160. http://gdmltest.u-ga.fr/item/1177728083/