M. H. Salama, H. A. Zedan, W. M. Abd-Elhameed, and Y. H. Youssri. “Spectral Treatment of the Fractional Bratu Equation via Shifted Lucas Polynomials: A Precise Collocation Approach With Error Quantification”. Contemporary Mathematics 6, no. 5 (September 25, 2025): 6832–6870. Accessed January 10, 2026. https://ojs.wiserpub.com/index.php/CM/article/view/8150.