@article{MAN_1874__7_156658,
     author = {Klein},
     title = {Ueber eine neue {Art} der {Riemann'schen} {Fl\"achen}},
     journal = {Mathematische Annalen},
     pages = {558--566},
     year = {1874},
     volume = {7},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1874__7_156658/}
}