Optimal Quadratic Nitsche Extended Finite Element Method for Interface Problem of Diffusion Equation. Journal of Computational Mathematics, [S. l.], v. 36, n. 5, p. 693–717, 2018. DOI: 10.4208/jcm.1703-m2015-0340. Disponível em: https://global-sci.com/index.php/JCM/article/view/12337. Acesso em: 5 dec. 2025.