@article{GDZPPN002279517,
title = {Die Kollineationen des n-dimensionalen Raumes},
journal = {Mathematische Annalen},
volume = {115},
year = {1938},
pages = {80-86},
zbl = {0017.22003},
url = {http://dml.mathdoc.fr/item/GDZPPN002279517}
}
Cohn-Vossen, St. Die Kollineationen des n-dimensionalen Raumes. Mathematische Annalen, Tome 115 (1938) pp. 80-86. http://gdmltest.u-ga.fr/item/GDZPPN002279517/