@article{oai:tsukuba.repo.nii.ac.jp:00053601,
 author = {KITAMURA, Yoshimi and TANAKA, Yoshio},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jul},
 pages = {39--58},
 title = {Partially ordered rings},
 volume = {38},
 year = {2014}
}