Darzi, R. and Agheli, B. (2018) “THE CHEBYSHEV WAVELETS OPERATIONAL MATRIX OF INTEGRATION AND PRODUCT OPERATION MATRIX FOR STURM-LIOUVILLE PROBLEM”, Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), 7(2), pp. 27–34. available at: https://ph03.tci-thaijo.org/index.php/jnao/article/view/2829 (accessed: 1 September 2026).