著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Szőkefalvi-Nagy, Béla",Hilbert space operators and operator algebras,,North-Holland,1972,Colloquia Mathematica Societatis János Bolyai,,0720420601,,https://cir.nii.ac.jp/crid/1130282271653378944