@article{GDZPPN002294303,
title = {Deformations of G-Structures. Part B: Deformations of Geometric G-Structures.},
journal = {Mathematische Annalen},
volume = {161},
year = {1965},
pages = {326-351},
zbl = {0156.42703},
url = {http://dml.mathdoc.fr/item/GDZPPN002294303}
}
GRIFFITHS, PH.A. Deformations of G-Structures. Part B: Deformations of Geometric G-Structures.. Mathematische Annalen, Tome 161 (1965) pp. 326-351. http://gdmltest.u-ga.fr/item/GDZPPN002294303/