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 Sahin, Bayram",Differential geometry of lightlike submanifolds,,Birkhäuser,2010,Frontiers in mathematics,,9783034602501,,https://cir.nii.ac.jp/crid/1130000797399402240