@article{1102995296,
author = {Stiel, Edsel},
title = {Isometric immersions of manifolds of nonnegative constant sectional curvature.},
journal = {Pacific J. Math.},
volume = {15},
number = {4},
year = {1965},
pages = { 1415-1419},
language = {en},
url = {http://dml.mathdoc.fr/item/1102995296}
}
Stiel, Edsel. Isometric immersions of manifolds of nonnegative constant sectional curvature.. Pacific J. Math., Tome 15 (1965) no. 4, pp. 1415-1419. http://gdmltest.u-ga.fr/item/1102995296/