@article{1077489347, author = {Levinson, Norman}, title = {On the Poisson summability of Fourier series}, journal = {Duke Math. J.}, volume = {2}, number = {1}, year = {1936}, pages = { 138-146}, language = {en}, url = {http://dml.mathdoc.fr/item/1077489347} }
Levinson, Norman. On the Poisson summability of Fourier series. Duke Math. J., Tome 2 (1936) no. 1, pp. 138-146. http://gdmltest.u-ga.fr/item/1077489347/