Mahamane Saminou Ali, Zakary Dan Azoumi Ali, and Mouhamadou Hassirou. “A Class of Lightlike Hypersurface of Meta-Metallic Pseudo-Riemannian Manifolds”. International Journal of Mathematics And its Applications 13, no. 3 (November 4, 2025): 205–220. Accessed November 18, 2025. https://ijmaa.in/index.php/ijmaa/article/view/1597.