@article{bwmeta1.element.bwnjournal-article-aav18i1p275bwm,
author = {Hasse, Helmut},
title = {On a question of S. Chowla},
journal = {Acta Arithmetica},
volume = {18},
year = {1971},
pages = {275-280},
zbl = {0217.03401},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav18i1p275bwm}
}
Hasse, Helmut. On a question of S. Chowla. Acta Arithmetica, Tome 18 (1971) pp. 275-280. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav18i1p275bwm/