Duggal, Krishan L. Foliations of lightlike hypersurfaces and their physical interpretation. (English) Zbl 1259.53017 Cent. Eur. J. Math. 10, No. 5, 1789-1800 (2012). MSC: 53B25 53B30 53C50 53C80 83C57 × Cite Format Result Cite Review PDF Full Text: DOI
Duggal, K. L. On canonical screen for lightlike submanifolds of codimension two. (English) Zbl 1153.53016 Cent. Eur. J. Math. 5, No. 4, 710-719 (2007). Reviewer: Constantin Călin (Iaşi) MSC: 53B25 53C50 53B50 × Cite Format Result Cite Review PDF Full Text: DOI