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
"Keene, G. B. (Geoffrey Bourton)",Abstract sets and finite ordinals : an introduction to the study of set theory,,Pergamon Press,1961,International series of monographs on pure and applied mathematics,,,,https://cir.nii.ac.jp/crid/1130000798044244352