@article{IM_1974__24_142273,
     author = {Reinhardt Kiehl and Eberhard Freitag},
     title = {Algebraische {Eigenschaften} der lokalen {Ringe} in den {Spitzen} der {Hilbertschen} {Modulgruppen.}},
     journal = {Inventiones mathematicae},
     pages = {121--148},
     publisher = {mathdoc},
     volume = {24},
     year = {1974},
     zbl = {0304.32018},
     url = {http://geodesic.mathdoc.fr/item/IM_1974__24_142273/}
}