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 2024 May 6];102(2):253-64. Available from: https://www.mscand.dk/article/view/15061