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)
THEVENAZ J.,Relative projective covers and almost split sequences,Comm. Algebra,,,1985,13,,1535-1554,https://cir.nii.ac.jp/crid/1572261550919067136,