Hierarchical Elements, Local Mappings and the $h$-$p$ Version of the Finite Element Method (Ⅰ). Journal of Computational Mathematics, [S. l.], v. 6, n. 1, p. 54–67, 2018. Disponível em: https://global-sci.com/index.php/JCM/article/view/10900. Acesso em: 5 dec. 2025.