@article{1255645092, author = {Salzmann, Helmut}, title = {Characterization of the three classical plane geometries}, journal = {Illinois J. Math.}, volume = {7}, number = {1}, year = {1963}, pages = { 543-547}, language = {en}, url = {http://dml.mathdoc.fr/item/1255645092} }
Salzmann, Helmut. Characterization of the three classical plane geometries. Illinois J. Math., Tome 7 (1963) no. 1, pp. 543-547. http://gdmltest.u-ga.fr/item/1255645092/