@article{oai:soar-ir.repo.nii.ac.jp:00012265,
 author = {MOTOSE,  KAORU},
 issue = {2},
 journal = {信州大学理学部紀要},
 month = {Mar},
 note = {Article, 信州大学理学部紀要 4(2): 67-69(1970)},
 pages = {67--69},
 title = {A Note on Perfect Rings and Semi-Perfect Rings},
 volume = {4},
 year = {1970}
}