Shesha, Sumana R., Tejuswini M., and Achala L. Nargund. “Haar Wavelet Method For The Solution Of Elliptic Partial Differential Equations”. International Journal Of Mathematics And Computer Research 4, no. 06 (June 15, 2016): 1481-1492. Accessed May 16, 2024. http://ijmcr.in/index.php/ijmcr/article/view/57.