@article{GDZPPN00238793X,
title = {On a maximal theorem of Hardy and Littlewood and theorems concerning Fourier constants.},
journal = {Mathematische Zeitschrift},
volume = {70},
year = {1958},
pages = {418-422},
zbl = {0084.06301},
url = {http://dml.mathdoc.fr/item/GDZPPN00238793X}
}
Chen, Yung-Ming. On a maximal theorem of Hardy and Littlewood and theorems concerning Fourier constants.. Mathematische Zeitschrift, Tome 70 (1958) pp. 418-422. http://gdmltest.u-ga.fr/item/GDZPPN00238793X/