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)
M. A. Krasnoselskii,"<em>Positive Solutions of Operator Equations,</em>",1st edition,,,1964,,,,https://cir.nii.ac.jp/crid/1370851343838758670,