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 "Loth, Peter",Classifications of abelian groups and pontrjagin duality,,Gordon and Breach,1998,"Algebra, logic and applications series",,9056991698,,https://cir.nii.ac.jp/crid/1130282271132641536