M-Eigenvalues of the Riemann Curvature Tensor of Conformally Flat Manifolds. Communications in Mathematical Research, [S. l.], v. 36, n. 3, p. 336–353, 2020. DOI: 10.4208/cmr.2020-0052. Disponível em: https://global-sci.com/index.php/cmr/article/view/9036. Acesso em: 6 dec. 2025.