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
"Kupeli, Demir N.",Singular semi-Riemannian geometry,,Kluwer Academic Publishers,1996,Mathematics and its applications,,0792339967,,https://cir.nii.ac.jp/crid/1130282270077354752