LIU, X.; ZHOU, J. On Ricci Curvature of Certain Submanifolds in a Cosymplectic Space Form. Sarajevo Journal of Mathematics, [S. l.], v. 2, n. 1, p. 95–106, 2024. DOI: 10.5644/SJM.02.1.10. Disponível em: https://sjm.anubih.ba/index.php/sjm/article/view/432. Acesso em: 15 oct. 2024.