@article{oai:soar-ir.repo.nii.ac.jp:00012192,
 author = {OHORI,  MASAYUKI},
 issue = {1},
 journal = {信州大学理学部紀要},
 month = {Sep},
 note = {Article, 信州大学理学部紀要 12(1): 41-42(1977)},
 pages = {41--42},
 title = {Characterizations of Division Rings},
 volume = {12},
 year = {1977}
}