@article{MAN_1886__28_157255,
     author = {Sch\"onflies},
     title = {Ueber {Gruppen} von {Bewegungen.} {(Erste} {Abhandlung)}},
     journal = {Mathematische Annalen},
     pages = {319--342},
     publisher = {mathdoc},
     volume = {28},
     year = {1886},
     url = {http://geodesic.mathdoc.fr/item/MAN_1886__28_157255/}
}