@article{oai:tsukuba.repo.nii.ac.jp:00016253,
 author = {Magid, Martin A.},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {31--54},
 title = {Isometric immersions of Lorentz space with parallel second fundamental forms},
 volume = {8},
 year = {1984}
}