@article{GDZPPN002390809, title = {On collineation groups of projective spaces. I.}, journal = {Mathematische Zeitschrift}, volume = {76}, year = {1961}, pages = {411-426}, zbl = {0099.36603}, url = {http://dml.mathdoc.fr/item/GDZPPN002390809} }
Wagner, A. On collineation groups of projective spaces. I.. Mathematische Zeitschrift, Tome 76 (1961) pp. 411-426. http://gdmltest.u-ga.fr/item/GDZPPN002390809/