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 "NATO Advanced Research Workshop on Perspectives in Ring Theory and Oystaeyen, Freddy Marguerite Joseph van and Le Bruyn, Lieven and North Atlantic Treaty Organization. Scientific Affairs Division",Perspectives in ring theory,,Kluwer Academic Publishers,1988,NATO ASI series,,9027727368,,https://cir.nii.ac.jp/crid/1130000798049401600