WANG, Y.; LIU, X. A Note on Lightlike Hypersurfaces of Semi-riemannian Space Form. Sarajevo Journal of Mathematics, [S. l.], v. 9, n. 2, p. 283–291, 2024. DOI: 10.5644/SJM.09.2.12. Disponível em: https://sjm.anubih.ba/index.php/sjm/article/view/239. Acesso em: 15 oct. 2024.