@article{MAN_1870__2_156461,
     author = {Neumann},
     title = {Zur {Theorie} des {Potentiales}},
     journal = {Mathematische Annalen},
     pages = {514--514},
     publisher = {mathdoc},
     volume = {2},
     year = {1870},
     zbl = {02.0753.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1870__2_156461/}
}