@article{GDZPPN002417235, title = {On Incidence Structures in Finite Classical Groups.}, journal = {Mathematische Zeitschrift}, volume = {147}, year = {1976}, pages = {287-300}, zbl = {0375.20035}, url = {http://dml.mathdoc.fr/item/GDZPPN002417235} }
Lehrer, Gustav I. On Incidence Structures in Finite Classical Groups.. Mathematische Zeitschrift, Tome 147 (1976) pp. 287-300. http://gdmltest.u-ga.fr/item/GDZPPN002417235/