@article{GDZPPN002369036,
title = {A projective theorie of affinely connected manifolds},
journal = {Mathematische Zeitschrift},
volume = {24},
year = {1926},
pages = {723-733},
zbl = {52.0732.02},
url = {http://dml.mathdoc.fr/item/GDZPPN002369036}
}
Thomas, T.Y. A projective theorie of affinely connected manifolds. Mathematische Zeitschrift, Tome 24 (1926) pp. 723-733. http://gdmltest.u-ga.fr/item/GDZPPN002369036/