@article{MZ_1974__137_172063,
     author = {Hanns Bauermeister},
     title = {Zur {Holomorphie} des {Poissonintegrals.}},
     journal = {Mathematische Zeitschrift},
     pages = {137--146},
     publisher = {mathdoc},
     volume = {137},
     year = {1974},
     zbl = {0285.31003},
     url = {http://geodesic.mathdoc.fr/item/MZ_1974__137_172063/}
}