Tiwari , Rishabh, and P. L. Powar. “Study on the Construction of Wedge Functions for Degree N-Approximation over the Convex Quadrilateral Element”. Science and Technology - Recent Updates and Future Prospects Vol. 3 (May 23, 2024): 56–70. Accessed June 14, 2026. https://stm.bookpi.org/STRUFP-V3/article/view/14656.