@article{MAN_1935__110_159749,
     author = {L. Koschmieder},
     title = {\"Uber die {Konvergenz} der {Reihen} von {Didon} und {Appell}},
     journal = {Mathematische Annalen},
     pages = {734--738},
     publisher = {mathdoc},
     volume = {110},
     year = {1935},
     zbl = {61.0293.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1935__110_159749/}
}