@article{MAN_1889__33_157398,
     author = {Schur},
     title = {Zur {Theorie} der aus n {Haupteinheiten} gebildeten complexen {Zahlen.}},
     journal = {Mathematische Annalen},
     pages = {49--60},
     publisher = {mathdoc},
     volume = {33},
     year = {1889},
     url = {http://geodesic.mathdoc.fr/item/MAN_1889__33_157398/}
}