@article{oai:tsukuba.repo.nii.ac.jp:00017161,
 author = {Okamoto, Keishi and Wakai, Kentaro},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {235--240},
 title = {Partially locally atomic models},
 volume = {22},
 year = {1998}
}