A Fourier Matching Method for Analyzing Resonances in a Sound-Hard Slab with Subwavelength Holes. CSIAM Transactions on Applied Mathematics, [S. l.], v. 5, n. 2, p. 234–263, 2024. DOI: 10.4208/csiam-am.SO-2023-0019. Disponível em: https://gsp.tricubic.dev/csiam-am/article/view/7856. Acesso em: 14 mar. 2026.