ZHONG, . X.; YANG, M.; CUI, J. Nonconforming Finite Elements and Multigrid Methods for Maxwell Eigenvalue Problem. Contemporary Mathematics , [S. l.], v. 6, n. 4, p. 4218–4239, 2025. DOI: 10.37256/cm.6420256874. Disponível em: https://ojs.wiserpub.com/index.php/CM/article/view/6874. Acesso em: 15 dec. 2025.