著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Fossum, R. and Griffith, Phillip A. and Reiten, Idun",The homological algebra of trivial extensions of Abelian categories with application to ring theory,,"Aarhus universitet, Matematisk institut",1972,Preprint series,,,,https://cir.nii.ac.jp/crid/1130000797355334528