Rani, R., Kumar, R., & Nagaich, R. K. Totally Contact Umbilical Lightlike Hypersurfaces of Indefinite -Manifolds. Wiley.
Chicago Style (17th ed.) CitationRani, Rachna, Rakesh Kumar, and R. K. Nagaich. Totally Contact Umbilical Lightlike Hypersurfaces of Indefinite -Manifolds. Wiley.
MLA (9th ed.) CitationRani, Rachna, et al. Totally Contact Umbilical Lightlike Hypersurfaces of Indefinite -Manifolds. Wiley.
Warning: These citations may not always be 100% accurate.