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)
Katayama Shin-ichi,On Some Formulas for π/2,"Journal of mathematics, the University of Tokushima",1346-7387,徳島大学,2008-12,,42,13-17,https://cir.nii.ac.jp/crid/1570572702584453248,