Dirichlet Eigenvalue Problem of Degenerate Elliptic Operators with Non-Smooth Coefficients. Communications in Mathematical Research, [S. l.], v. 38, n. 4, p. 498–515, 2022. DOI: 10.4208/cmr.2021-0065. Disponível em: https://global-sci.com/index.php/cmr/article/view/9085. Acesso em: 5 dec. 2025.