A New Integral Equation Formulation for Scattering by Penetrable Diffraction Gratings. Journal of Computational Mathematics, [S. l.], v. 36, n. 1, p. 110–127, 2018. DOI: 10.4208/jcm.1612-m2016-0501. Disponível em: https://www.global-sci.com/index.php/JCM/article/view/12306. Acesso em: 6 dec. 2025.