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
"Gentzen, Gerhard and Szabo, M. E.",The collected papers of Gerhard Gentzen,,UT Back-in-Print Service,1969,Studies in logic and the foundations of mathematics,,072042254X,,https://cir.nii.ac.jp/crid/1130282269809597696