@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/