@article{GDZPPN00224067X,
title = {Zur Theorie des Potentiales},
journal = {Mathematische Annalen},
volume = {2},
year = {1870},
pages = {514-514},
zbl = {02.0753.02},
url = {http://dml.mathdoc.fr/item/GDZPPN00224067X}
}
Neumann. Zur Theorie des Potentiales. Mathematische Annalen, Tome 2 (1870) p. 514. http://gdmltest.u-ga.fr/item/GDZPPN00224067X/