@article{GDZPPN002396106,
title = {Collineation groups containing elations. I.},
journal = {Mathematische Zeitschrift},
volume = {87},
year = {1965},
pages = {181-191},
zbl = {0189.20803},
url = {http://dml.mathdoc.fr/item/GDZPPN002396106}
}
Piper, F.C. Collineation groups containing elations. I.. Mathematische Zeitschrift, Tome 87 (1965) pp. 181-191. http://gdmltest.u-ga.fr/item/GDZPPN002396106/