@article{oai:tsukuba.repo.nii.ac.jp:00015863,
 author = {Cheng, Qing-Ming and Choi, Soon Meen},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {497--512},
 title = {Complete space-like submanifolds with parallel mean curvature vector of an indefinite space form},
 volume = {17},
 year = {1993}
}