@article{MAN_1878__13_156816,
     author = {Grassmann},
     title = {Zur {Theorie} der reciproken {Radien.} {(Der} {Kgl.} {S\"achs.} {Ges.} d. {Wiss.} mitgetheilt von {C.} {Neumann)}},
     journal = {Mathematische Annalen},
     pages = {559--560},
     publisher = {mathdoc},
     volume = {13},
     year = {1878},
     zbl = {10.0554.03},
     url = {http://geodesic.mathdoc.fr/item/MAN_1878__13_156816/}
}