KEMAJOU MBIAKOP, T.; ABBOANG AVEVED, C. . Torse-forming vector fields and normalized null hypersurfaces. International Journal of Maps in Mathematics, [S. l.], v. 9, n. 1, p. 160–180, 2026. Disponível em: https://www.simadp.com/journalmim/article/view/429. Acesso em: 19 jul. 2026.