@article{NGWGMP_1903__1903_58543,
     author = {W. Kaufmann},
     title = {Ueber die },
     journal = {Nachrichten von der Gesellschaft der Wissenschaften zu G\"ottingen, Mathematisch-Physikalische Klasse},
     pages = {90--103},
     publisher = {mathdoc},
     volume = {1903},
     year = {1903},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/NGWGMP_1903__1903_58543/}
}