@article{GDZPPN002408740,
title = {Simple Groups and M\"obius Planes of Even Order.},
journal = {Mathematische Zeitschrift},
volume = {121},
year = {1971},
pages = {299-306},
zbl = {0231.05025},
url = {http://dml.mathdoc.fr/item/GDZPPN002408740}
}
Cofman, Judita. Simple Groups and Möbius Planes of Even Order.. Mathematische Zeitschrift, Tome 121 (1971) pp. 299-306. http://gdmltest.u-ga.fr/item/GDZPPN002408740/