@article{GDZPPN002408368, title = {On the Orbits of Collineation Groups.}, journal = {Mathematische Zeitschrift}, volume = {121}, year = {1971}, pages = {273-275}, zbl = {0206.23601}, url = {http://dml.mathdoc.fr/item/GDZPPN002408368} }
Buekenhout, Francis. On the Orbits of Collineation Groups.. Mathematische Zeitschrift, Tome 121 (1971) pp. 273-275. http://gdmltest.u-ga.fr/item/GDZPPN002408368/