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) FUJII M.,Furuta's inequality and its application to Ando's theorem,Linear Algebra Appl.,,,1991,149,,91-96,https://cir.nii.ac.jp/crid/1574231874568700288,