@article{GDZPPN002410869, title = {On Collineation Groups of Finite Projective Spaces.}, journal = {Mathematische Zeitschrift}, volume = {129}, year = {1972}, pages = {135-142}, zbl = {0223.20051}, url = {http://dml.mathdoc.fr/item/GDZPPN002410869} }
Perin, David. On Collineation Groups of Finite Projective Spaces.. Mathematische Zeitschrift, Tome 129 (1972) pp. 135-142. http://gdmltest.u-ga.fr/item/GDZPPN002410869/