@article{1256064238,
author = {Stein, Alan H.},
title = {Exponential sums of sum-of-digit functions},
journal = {Illinois J. Math.},
volume = {30},
number = {3},
year = {1986},
pages = { 660-675},
language = {en},
url = {http://dml.mathdoc.fr/item/1256064238}
}
Stein, Alan H. Exponential sums of sum-of-digit functions. Illinois J. Math., Tome 30 (1986) no. 3, pp. 660-675. http://gdmltest.u-ga.fr/item/1256064238/