HUMAMT. S. AL-ATTWANI; MOHAMMED Y. ABASS. Projective Curvature Tensor of C9-Manifolds. Jordan Journal of Mathematics and Statistics, [S. l.], v. 19, n. 2, p. 263–276, 2026. Disponível em: https://jjms.yu.edu.jo/index.php/jjms/article/view/1805. Acesso em: 25 jul. 2026.