著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI)
Dem’janenko,On Jeśmanowicz’ problem for Pythagorean numbers.,(Russian) Izv. Vyssh. Ucebn. Zaved. Matematika,,,,1965,,52,https://cir.nii.ac.jp/crid/1371695768627116805,