@article{MZ_1932__34_168322,
     author = {S., Sidon},
     title = {Einige {S\"atze} und {Fragestellungen} \"uber {Fourier-Koeffizienten}},
     journal = {Mathematische Zeitschrift},
     pages = {477--480},
     publisher = {mathdoc},
     volume = {34},
     year = {1932},
     zbl = {58.0269.01},
     url = {http://geodesic.mathdoc.fr/item/MZ_1932__34_168322/}
}