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
"Cordes, H. O",Spectral theory of linear differntial operators and comparison algebras,,Cambridge University Press,1987,London Mathematical Society lecture note series,,0521284430,,https://cir.nii.ac.jp/crid/1130000795035610496