Mathematical Analysis for Quadrilateral Rotated $Q_1$ Element II: Poincarè Inequality and Trace Inequality. Journal of Computational Mathematics, [S. l.], v. 21, n. 3, p. 277–286, 2003. Disponível em: https://www.global-sci.com/index.php/JCM/article/view/11553. Acesso em: 5 dec. 2025.