@article{GDZPPN002333198,
title = {Principal bundles on affine space and bundles on the projective line.},
journal = {Mathematische Annalen},
volume = {283},
year = {1989},
pages = {309-332},
zbl = {0661.14016},
url = {http://dml.mathdoc.fr/item/GDZPPN002333198}
}
Raghunathan, M.S. Principal bundles on affine space and bundles on the projective line.. Mathematische Annalen, Tome 283 (1989) pp. 309-332. http://gdmltest.u-ga.fr/item/GDZPPN002333198/