@article{1077472815,
author = {Agnew, Ralph Palmer},
title = {Criteria for completeness of orthonormal sets and summability of Fourier series},
journal = {Duke Math. J.},
volume = {11},
number = {1},
year = {1944},
pages = { 801-821},
language = {en},
url = {http://dml.mathdoc.fr/item/1077472815}
}
Agnew, Ralph Palmer. Criteria for completeness of orthonormal sets and summability of Fourier series. Duke Math. J., Tome 11 (1944) no. 1, pp. 801-821. http://gdmltest.u-ga.fr/item/1077472815/