@article{MAN_1880__16_156886,
     author = {Kraus},
     title = {Note \"uber aussergew\"ohnliche {Specialgruppen} auf algebraischen {Curven}},
     journal = {Mathematische Annalen},
     pages = {245--259},
     publisher = {mathdoc},
     volume = {16},
     year = {1880},
     url = {http://geodesic.mathdoc.fr/item/MAN_1880__16_156886/}
}