@article{MAN_1924__91_159042,
     author = {H. Kneser},
     title = {Regul\"are {Kurvenscharen} auf den {Ringfl\"achen}},
     journal = {Mathematische Annalen},
     pages = {135--154},
     year = {1924},
     volume = {91},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1924__91_159042/}
}