Yasar E, Cöken AC, Yücesan A. Lightlike hypersurfaces in semi-Riemannian manifold with semi-symmetric non-metric connection. Math. Scand. [Internet]. 2008 Jun. 1 [cited 2026 Sep. 8];102(2):253-64. Available from: https://journals.msp.org/mscand/article/view/636