Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 林 正人 and 坂口 文則,"Subnormal operators regarded as generalized observables and compound-system-type normal extension related to su(1,1)",数理解析研究所講究録,18802818,[京都] : 京都大学数理解析研究所,2000-04,,1139,74-98,https://cir.nii.ac.jp/crid/1520009410035020544,