@article{05164006, title = {Spacelike hypersurfaces in de Sitter space with constant higher-order mean curvature.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2006}, year = {2006}, doi = {10.1155/IJMMS/2006/19545}, zbl = {1157.53029}, language = {en}, url = {http://dml.mathdoc.fr/item/05164006} }
Cai, Kairen; Xu, Huiqun. Spacelike hypersurfaces in de Sitter space with constant higher-order mean curvature.. International Journal of Mathematics and Mathematical Sciences, Tome 2006 (2006) . doi : 10.1155/IJMMS/2006/19545. http://gdmltest.u-ga.fr/item/05164006/