@article{GDZPPN002345161,
title = {On the relation of congruence in finite geometries},
journal = {Mathematica Scandinavica},
volume = {5},
year = {1957},
pages = {197-201},
zbl = {0081.14801},
url = {http://dml.mathdoc.fr/item/GDZPPN002345161}
}
KUSTAANHEIMO, PAUL. On the relation of congruence in finite geometries. Mathematica Scandinavica, Tome 5 (1957) pp. 197-201. http://gdmltest.u-ga.fr/item/GDZPPN002345161/