@article{GDZPPN002311720,
title = {Isometric Immersions of Constant Curvature Manifolds.},
journal = {Mathematische Annalen},
volume = {217},
year = {1975},
pages = {155-156},
zbl = {0295.53026},
url = {http://dml.mathdoc.fr/item/GDZPPN002311720}
}
Ferus, Dirk. Isometric Immersions of Constant Curvature Manifolds.. Mathematische Annalen, Tome 217 (1975) pp. 155-156. http://gdmltest.u-ga.fr/item/GDZPPN002311720/