@article{2551, author = {Hsiang, Fu Cheng}, title = {On Fej\'er's theorem of Fourier series}, journal = {Portugaliae mathematica}, volume = {26}, year = {1967}, pages = {381-383}, zbl = {0188.13703}, mrnumber = {0261259}, language = {en}, url = {http://dml.mathdoc.fr/item/2551} }
Hsiang, Fu Cheng. On Fejér's theorem of Fourier series. Portugaliae mathematica, Tome 26 (1967) pp. 381-383. http://gdmltest.u-ga.fr/item/2551/