@article{MM2_1981__34_154776,
     author = {Kurt Retter},
     title = {Realtive komplexe {Quotienten.}},
     journal = {Manuscripta mathematica},
     pages = {279--292},
     year = {1981},
     volume = {34},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MM2_1981__34_154776/}
}