@article{MAN_1986__274_164092,
     author = {Wilhelm Singhof and Dieter Wemmer},
     title = {Parallelizability of {Homogeneous} {Spaces,} {II.}},
     journal = {Mathematische Annalen},
     pages = {157--176},
     publisher = {mathdoc},
     volume = {274},
     year = {1986},
     zbl = {0572.57014},
     url = {http://geodesic.mathdoc.fr/item/MAN_1986__274_164092/}
}