@article{MZ_1943__49_169046,
     author = {L. Neder},
     title = {Ein {Satz} \"uber die absolute {Konvergenz} der {Fourier-Reihe}},
     journal = {Mathematische Zeitschrift},
     pages = {644--646},
     publisher = {mathdoc},
     volume = {49},
     year = {1943},
     zbl = {0028.39801},
     url = {http://geodesic.mathdoc.fr/item/MZ_1943__49_169046/}
}