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
"García-Río, Eduardo and Kupeli, Demir N. and Vázquez-Lorenzo, Ramón",Osserman manifolds in semi-Riemannian geometry,,Springer,2002,Lecture notes in mathematics,,3540431446,,https://cir.nii.ac.jp/crid/1130000798188383616