@article{GDZPPN002402769, title = {Partially Desarguesian Planes.}, journal = {Mathematische Zeitschrift}, volume = {105}, year = {1968}, pages = {113-122}, zbl = {0162.24003}, url = {http://dml.mathdoc.fr/item/GDZPPN002402769} }
Ostrom, T.G. Partially Desarguesian Planes.. Mathematische Zeitschrift, Tome 105 (1968) pp. 113-122. http://gdmltest.u-ga.fr/item/GDZPPN002402769/