@article{1077465732,
author = {Livingston, Arthur E.},
title = {The Lebesgue constants for Euler $(E,p)$
summation of Fourier series},
journal = {Duke Math. J.},
volume = {21},
number = {1},
year = {1954},
pages = { 309-313},
language = {en},
url = {http://dml.mathdoc.fr/item/1077465732}
}
Livingston, Arthur E. The Lebesgue constants for Euler $(E,p)$
summation of Fourier series. Duke Math. J., Tome 21 (1954) no. 1, pp. 309-313. http://gdmltest.u-ga.fr/item/1077465732/