@article{oai:tsukuba.repo.nii.ac.jp:00017168,
 author = {Alias, Luis J. and Estudillo, Francisco J.M. and Romero, Alfonso},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {169--179},
 title = {Spacelike submanifolds with parallel mean curvature in pseudo-Riemannian space forms},
 volume = {21},
 year = {1997}
}