Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1957__67_169685, author = {Helmut Salzmann}, title = {Topologische projektive {Ebenen.}}, journal = {Mathematische Zeitschrift}, pages = {436--466}, publisher = {mathdoc}, volume = {67}, year = {1957}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MZ_1957__67_169685/} }
Helmut Salzmann. Topologische projektive Ebenen.. Mathematische Zeitschrift, Tome 67 (1957), pp. 436-466. http://geodesic.mathdoc.fr/item/MZ_1957__67_169685/