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
"Shubin, M. A. (Mikhail Aleksandrovich)",Spectral theory of differential operators,,Springer-Verlag,1994,Encyclopaedia of mathematical sciences,,"3540546774,0387546774",,https://cir.nii.ac.jp/crid/1130000796445129472