@article{1077492501,
author = {Levinson, Norman},
title = {A theorem of Boas},
journal = {Duke Math. J.},
volume = {8},
number = {1},
year = {1941},
pages = { 181-182},
language = {en},
url = {http://dml.mathdoc.fr/item/1077492501}
}
Levinson, Norman. A theorem of Boas. Duke Math. J., Tome 8 (1941) no. 1, pp. 181-182. http://gdmltest.u-ga.fr/item/1077492501/