@article{MAN_1881__18_156950,
     author = {K\"onig},
     title = {Ueber endliche {Formensysteme} in der {Theorie} der rationalen {Functionen}},
     journal = {Mathematische Annalen},
     pages = {69--77},
     publisher = {mathdoc},
     volume = {18},
     year = {1881},
     zbl = {13.0085.04},
     url = {http://geodesic.mathdoc.fr/item/MAN_1881__18_156950/}
}