Abd-Elkawy, Mohamed A., and Rubayyi T. Alqahtani. “Space-Time Spectral Collocation Algorithm for the Variable-Order Galilei Invariant Advection Diffusion Equations With a Nonlinear Source Term”. Mathematical Modelling and Analysis 22, no. 1 (January 11, 2017): 1-20. Accessed November 10, 2024. https://jbem.vilniustech.lt/index.php/MMA/article/view/869.