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)
,On joint numerical ranges and joint normaloids in a C*-algebra,Tsukuba Journal of Mathematics,0387-4982,Institute of Mathematics University of Tsukuba,1986-06,10,1,111-116,https://cir.nii.ac.jp/crid/1050282677608169984,