@article{MZ_1931__33_168288,
     author = {J., Schauder},
     title = {Potentialtheoretische {Untersuchungen.} {Erste} {Abhandlung}},
     journal = {Mathematische Zeitschrift},
     pages = {602--640},
     publisher = {mathdoc},
     volume = {33},
     year = {1931},
     zbl = {57.0572.01},
     url = {http://geodesic.mathdoc.fr/item/MZ_1931__33_168288/}
}