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) "片山, 真一",Products of Arithmetic Progressions which are Squares,Journal of Mathematics,13467387,徳島大学,2015,49,,9-12,https://cir.nii.ac.jp/crid/1050302172853920256,