@article{GDZPPN00226854X, title = {\"Uber die Gravitation ruhender Massen}, journal = {Mathematische Annalen}, volume = {86}, year = {1922}, pages = {222-226}, zbl = {48.1035.02}, url = {http://dml.mathdoc.fr/item/GDZPPN00226854X} }
Runge, C. Über die Gravitation ruhender Massen. Mathematische Annalen, Tome 86 (1922) pp. 222-226. http://gdmltest.u-ga.fr/item/GDZPPN00226854X/