@article{GDZPPN002327902, title = {Parallelizability of Homogeneous Spaces, II.}, journal = {Mathematische Annalen}, volume = {275}, year = {1986}, pages = {157-176}, zbl = {0572.57014}, url = {http://dml.mathdoc.fr/item/GDZPPN002327902} }
Singhof, Wilhelm; Wemmer, Dieter. Parallelizability of Homogeneous Spaces, II.. Mathematische Annalen, Tome 275 (1986) pp. 157-176. http://gdmltest.u-ga.fr/item/GDZPPN002327902/