@article{MAN_1928__100_159299,
     author = {O. H\"older},
     title = {Der zweite {Mittelwertssatz} der {Integralrechnung} f\"ur komplexe {Gr\"o{\ss}en}},
     journal = {Mathematische Annalen},
     pages = {438--444},
     publisher = {mathdoc},
     volume = {100},
     year = {1928},
     zbl = {54.0257.04},
     url = {http://geodesic.mathdoc.fr/item/MAN_1928__100_159299/}
}