@article{MZ_1983__184_173355,
     author = {Renate Carlsson},
     title = {Wittringe h\"oherer {Stufe.}},
     journal = {Mathematische Zeitschrift},
     pages = {155--164},
     publisher = {mathdoc},
     volume = {184},
     year = {1983},
     zbl = {0499.10022},
     url = {http://geodesic.mathdoc.fr/item/MZ_1983__184_173355/}
}