Awad Nasser, A., Allame, M., Abed Kadhim Aal-Rkhais, H., & Tavassoli Kajani, M. (2026). Application of lRBF-FD Method for Numerical Solution of the Obstacle Problem. International Journal of Mathematical Modelling & Computations. https://doi.org/10.57647/ijm2c.2026.1603.17