Debbabi, Imen, Zohra Sendi, and H´edi BelHadjSalah. 2017. “A Comparison Between the Improved Element-Free Galerkin Method and the Element-Free Galerkin Method for 2D Potential and Elasticity Problems”. Computer Assisted Methods in Engineering and Science 23 (2–3): 87–107. https://cames3.ippt.pan.pl/index.php/cames/article/view/166.