@article{articlee3a6e94b, title = {Rigidity results for submanifolds with parallel mean curvature vector in the de sitter space}, author = {Brasil Jr., Aldir Chaves and Chaves, Rosa Maria dos Santos Barreiro and Colares, Antonio Gervasio}, year = {2006}, doi = {10.1017/S0017089505002818}, journal = {Glasgow Mathematical Journal} }