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
"de Jongh, D. H. J.",Formulas of one propositional variable in intuitionistic arithmetic,,"Department of Mathematics, University of Amsterdam",1973,Report,,,,https://cir.nii.ac.jp/crid/1130860055921904399