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 "Al-Gwaiz, M. A.",Sturm-Liouville theory and its applications,,Springer,2008,Springer undergraduate mathematics series,,9781846289712,,https://cir.nii.ac.jp/crid/1130000798046635648