@article{MAN_1910__68_158429,
     author = {Erhard Schmidt},
     title = {Bemerkung zur {Potentialtheorie}},
     journal = {Mathematische Annalen},
     pages = {107--118},
     year = {1910},
     volume = {68},
     zbl = {41.0864.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1910__68_158429/}
}