@article{1077375352, author = {Levinson, N.}, title = {Generalizations of an inequality of Hardy}, journal = {Duke Math. J.}, volume = {31}, number = {1}, year = {1964}, pages = { 389-394}, language = {en}, url = {http://dml.mathdoc.fr/item/1077375352} }
Levinson, N. Generalizations of an inequality of Hardy. Duke Math. J., Tome 31 (1964) no. 1, pp. 389-394. http://gdmltest.u-ga.fr/item/1077375352/