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)
,Time operators of a Hamiltonian with purely discrete spectrum,Rev. Math. Phys. 20,,,2008,,,951-978,https://cir.nii.ac.jp/crid/1010000782490341509,