@article{02236310, title = {Compact space-like hypersurfaces in de Sitter space.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2005}, year = {2005}, pages = {2053-2069}, doi = {10.1155/IJMMS.2005.2053}, zbl = {1084.53049}, language = {en}, url = {http://dml.mathdoc.fr/item/02236310} }
Lv, Jinchi. Compact space-like hypersurfaces in de Sitter space.. International Journal of Mathematics and Mathematical Sciences, Tome 2005 (2005) pp. 2053-2069. doi : 10.1155/IJMMS.2005.2053. http://gdmltest.u-ga.fr/item/02236310/