@article{CMH_1980__55_139826,
     author = {Heinz-Georg Quebbemann},
     title = {Ein {Endlichkeitssatz} f\"ur {Klassenzahlen} invarianter {Formen.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {294--301},
     publisher = {mathdoc},
     volume = {55},
     year = {1980},
     zbl = {0437.10008},
     url = {http://geodesic.mathdoc.fr/item/CMH_1980__55_139826/}
}