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 "Levendorskiĭ, Serge",Asymptotic distribution of eigenvalues of differential operators,,Kluwer Academic Publishers,1990,Mathematics and its applications,,0792305396,,https://cir.nii.ac.jp/crid/1130282271131673984