@article{MAN_1922__85_158925,
     author = {C. Runge},
     title = {\"Uber die {Gravitation} ruhender {Massen}},
     journal = {Mathematische Annalen},
     pages = {222--226},
     publisher = {mathdoc},
     volume = {85},
     year = {1922},
     zbl = {48.1035.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1922__85_158925/}
}