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) ,"Quasinilpotent part of class A or (p, k)-quasihyponormal operators",Recent Advances in Operator Theory and Applications (Operator Theory : Advances and Applications) 187,,,2008,,,199-210,https://cir.nii.ac.jp/crid/1010000782043778452,