Spectral Treatment of the Fractional Bratu Equation via Shifted Lucas Polynomials: A Precise Collocation Approach with Error Quantification. Contemp. Math. [Internet]. 2025 Sep. 25 [cited 2025 Dec. 24];6(5):6832-70. Available from: https://ojs353.mebyme.cn/index.php/CM/article/view/8150