@article{PPN235181684_0268+dmdlog39,
title = {Integral Invariants of Principal SO(n)(r)Grouv Structures on Space Forms.},
journal = {Mathematische Annalen},
volume = {268},
year = {1984},
pages = {265-272},
zbl = {0527.53022},
url = {http://dml.mathdoc.fr/item/PPN235181684_0268+dmdlog39}
}
Coulton, Patrick. Integral Invariants of Principal SO(n)(r)Grouv Structures on Space Forms.. Mathematische Annalen, Tome 268 (1984) pp. 265-272. http://gdmltest.u-ga.fr/item/PPN235181684_0268+dmdlog39/