著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI)
石原 哉,Weak Koenig's lemma implies Brouwer's fan theorem : a direct proof,Notre Dame J. Formal Logic 47,,,2006,,,249-252,https://cir.nii.ac.jp/crid/1010000781808637955,