@article{GDZPPN002393883,
title = {Collineation groups of finite projective planes.},
journal = {Mathematische Zeitschrift},
volume = {85},
year = {1964},
pages = {409-421},
zbl = {0139.14302},
url = {http://dml.mathdoc.fr/item/GDZPPN002393883}
}
Roth, Richard. Collineation groups of finite projective planes.. Mathematische Zeitschrift, Tome 85 (1964) pp. 409-421. http://gdmltest.u-ga.fr/item/GDZPPN002393883/