@article{GDZPPN002284898, title = {Eine affine Rechtwinkelgeometrie.}, journal = {Mathematische Annalen}, volume = {132}, year = {1956}, pages = {17-27}, language = {de}, url = {http://dml.mathdoc.fr/item/GDZPPN002284898} }
Naumann, H. Eine affine Rechtwinkelgeometrie.. Mathematische Annalen, Tome 132 (1956) pp. 17-27. http://gdmltest.u-ga.fr/item/GDZPPN002284898/