@article{1077469446,
author = {Gosselin, Richard P.},
title = {Orthonormal series and density of integers},
journal = {Duke Math. J.},
volume = {28},
number = {1},
year = {1961},
pages = { 133-141},
language = {en},
url = {http://dml.mathdoc.fr/item/1077469446}
}
Gosselin, Richard P. Orthonormal series and density of integers. Duke Math. J., Tome 28 (1961) no. 1, pp. 133-141. http://gdmltest.u-ga.fr/item/1077469446/