@article{1183502429,
author = {Sz\'asz, Otto},
title = {On the order of the partial sums of Fourier power series},
journal = {Bull. Amer. Math. Soc.},
volume = {46},
number = {11},
year = {1940},
pages = { 108-112},
language = {en},
url = {http://dml.mathdoc.fr/item/1183502429}
}
Szász, Otto. On the order of the partial sums of Fourier power series. Bull. Amer. Math. Soc., Tome 46 (1940) no. 11, pp. 108-112. http://gdmltest.u-ga.fr/item/1183502429/