Sixth-Order Stable Implicit Finite Difference Scheme for 2-D Heat Conduction Equation on Uniform Cartesian Grids with Dirichlet Boundaries. Punjab University Journal of Mathematics, [S. l.], v. 51, n. 5, p. 27–42, 2025. Disponível em: https://pujm.pu.edu.pk/index.php/pujm/article/view/440. Acesso em: 29 jun. 2025.