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) F.G. Scholtz and H.B. Geyer and F.J.W. Hahne,Quasi-Hermitian operators in quantum mechanics and the variational principle,Annals of Physics,0003-4916,Elsevier BV,1992-01,213,1,74-101,https://cir.nii.ac.jp/crid/1363388845007744768,https://doi.org/10.1016/0003-4916(92)90284-s