@article{PORMA_1967__26_3_115041,
     author = {Hsiang, Fu Cheng},
     title = {On {Fej\'er's} theorem of {Fourier} series},
     journal = {Portugaliae mathematica},
     pages = {381--383},
     publisher = {mathdoc},
     volume = {26},
     number = {3},
     year = {1967},
     mrnumber = {0261259},
     zbl = {0188.13703},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1967__26_3_115041/}
}