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 "Gradshteĭn, I. S. (Izrailʹ Solomonovich) and Boddington, T.",Direct and converse theorems : the elements of symbolic logic,,Pergamon Press,1963,International series of monographs on pure and applied mathematics,,,,https://cir.nii.ac.jp/crid/1130000796557925760