H. J. Algahtani, “A meshless method for non-linear Poisson problems with high gradients”, Comp. Assist. Methods Eng. Sci., vol. 13, no. 3, pp. 367–377, Nov. 2022, Accessed: Jun. 30, 2025. [Online]. Available: https://cames.ippt.pan.pl/index.php/cames/article/view/938