@article{GDZPPN00232217X, title = {Parallelizability of Homogeneous Spaces. I.}, journal = {Mathematische Annalen}, volume = {261}, year = {1982}, pages = {101-116}, zbl = {0471.57005}, url = {http://dml.mathdoc.fr/item/GDZPPN00232217X} }
Singhof, Wilhelm. Parallelizability of Homogeneous Spaces. I.. Mathematische Annalen, Tome 261 (1982) pp. 101-116. http://gdmltest.u-ga.fr/item/GDZPPN00232217X/