M. H. Salama, H. A. Zedan, W. M. Abd-Elhameed and Y. H. Youssri 2025. Spectral Treatment of the Fractional Bratu Equation via Shifted Lucas Polynomials: A Precise Collocation Approach with Error Quantification. Contemporary Mathematics . 6, 5 (Sep. 2025), 6832–6870. DOI:https://doi.org/10.37256/cm.6520258150.