@article{GDZPPN002057859, title = {Homogeneous Manifolds of Contant Curvature.}, journal = {Commentarii mathematici Helvetici}, volume = {35}, year = {1961}, pages = {112-147}, zbl = {0108.34802}, url = {http://dml.mathdoc.fr/item/GDZPPN002057859} }
Wolf, Joseph A. Homogeneous Manifolds of Contant Curvature.. Commentarii mathematici Helvetici, Tome 35 (1961) pp. 112-147. http://gdmltest.u-ga.fr/item/GDZPPN002057859/