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) Douglas R. Hofstadter,Energy levels and wave functions of Bloch electrons in rational and irrational magnetic fields,Physical Review B,0556-2805,American Physical Society (APS),1976-09-15,14,6,2239-2249,https://cir.nii.ac.jp/crid/1363670320995357568,https://doi.org/10.1103/physrevb.14.2239