@article{GDZPPN002408090,
title = {The Collineation Group.},
journal = {Mathematische Zeitschrift},
volume = {121},
year = {1971},
pages = {60-62},
zbl = {0193.21302},
url = {http://dml.mathdoc.fr/item/GDZPPN002408090}
}
Iden, Oddvar. The Collineation Group.. Mathematische Zeitschrift, Tome 121 (1971) pp. 60-62. http://gdmltest.u-ga.fr/item/GDZPPN002408090/