RAJAGOPAL, A.; SIVAKUMAR, S. M. Optimality of grids based on a combined r-h adaptive strategy. Computer Assisted Methods in Engineering and Science, [S. l.], v. 13, n. 2, p. 247–268, 2022. Disponível em: https://cames3.ippt.pan.pl/index.php/cames/article/view/950. Acesso em: 6 jun. 2025.