著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI)
JONDRUP S.,p. p. rings and finitely generated flat ideals,Proc. Amer. Math. Soc.,,,1971,28,,431-435,https://cir.nii.ac.jp/crid/1574231875292286336,