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 "Hanche-Olsen, Harald",Split faces and ideal structure of operator algebras,,"Universitetet i Oslo, Matematisk institutt",1980,Preprint series,,8255304061,,https://cir.nii.ac.jp/crid/1130282271734667392