A Two-Grid Finite Element Approximation for Nonlinear Time Fractional Two-Term Mixed Sub-Diffusion and Diffusion Wave Equations. Journal of Computational Mathematics, [S. l.], v. 40, n. 6, p. 936–954, 2022. DOI: 10.4208/jcm.2104-m2021-0332. Disponível em: https://global-sci.com/index.php/JCM/article/view/12510. Acesso em: 6 dec. 2025.