Hafez, R. M., M. A. Abdelkawy, Y. H. Youssri, and A. Biswas. 2026. “Spectral Bernoulli-Gauss Collocation Scheme for Pantograph-Type Volterra Integro-Differential Equations”. Contemporary Mathematics 7 (2):1553-71. https://doi.org/10.37256/cm.7220268911.