@article{oai:rakuno.repo.nii.ac.jp:00004186,
 author = {SAITO, Ryo},
 issue = {1},
 journal = {酪農学園大学紀要. 自然科学編},
 month = {Oct},
 note = {Bulletin},
 pages = {23--27},
 title = {A Note on Generators and Ring Extensions},
 volume = {14},
 year = {1989}
}