Shahid Ahmed, Yadav, B., Vats, P. and Sharma, R. (2025) “Bell Wavelet operational matrix method for ­convection diffusion equation”, Results in Nonlinear Analysis, 8(2), pp. 8–27. Available at: https://www.nonlinear-analysis.com/index.php/pub/article/view/544 (Accessed: 30 September 2025).