Chattouh, Abdeldjalil, and Khaled Saoudi. 2021. “Error Analysis of Legendre-Galerkin Spectral Method for a Parabolic Equation With Dirichlet-Type Non-Local Boundary Conditions”. Mathematical Modelling and Analysis 26 (2):287-303. https://doi.org/10.3846/mma.2021.12865.