Chattouh A, Saoudi K. Error analysis of Legendre-Galerkin spectral method for a parabolic equation with Dirichlet-Type non-local boundary conditions. MMA [Internet]. 2021May26 [cited 2024Nov.25];26(2):287-303. Available from: https://gc.vgtu.lt/index.php/MMA/article/view/12865