VASIULLA, M. .; ALI, M. .; HASEEB, A. N(K)-quasi-Einstein manifolds admitting Schouten tensor. International Journal of Maps in Mathematics, [S. l.], v. 8, n. 2, p. 425–435, 2025. Disponível em: https://simadp.com/journalmim/article/view/272. Acesso em: 5 oct. 2025.