Le, Canh V., Phuc L. H. Ho, and Hoa T. Nguyen. “Airy-Based Equilibrium Mesh-Free Method for Static Limit Analysis of Plane Problems”. <i>Vietnam Journal of Mechanics</i> 38, no. 3 (September 25, 2016): 167–179. Accessed November 9, 2025. https://vjmech.vast.vn/vjmech/article/view/5961.