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
"Duggal, Krishan L. and Sharma, Ramesh Chandra",Symmetries of spacetimes and Riemannian manifolds,,Kluwer Academic,1999,Mathematics and its applications,,0792357930,,https://cir.nii.ac.jp/crid/1130282271520843520