@article{MZ_1981__177_173076, author = {Johannes Andr\'e}, title = {Nichtkommutative {Geometrie} und verallgemeinerte {Hughes-Ebenen.}}, journal = {Mathematische Zeitschrift}, pages = {449--462}, publisher = {mathdoc}, volume = {177}, year = {1981}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MZ_1981__177_173076/} }