[1]
A. Rajagopal and S. M. Sivakumar, “Optimality of grids based on a combined r-h adaptive strategy”, Comp. Assist. Methods Eng. Sci., vol. 13, no. 2, pp. 247–268, Jun. 2006, Accessed: Mar. 12, 2026. [Online]. Available: https://cames.ippt.pan.pl/index.php/cames/article/view/950