PEETRE, J.; THOMÉE, V. On the Rate of Convergence for Discrete Initial-Value Problems. MATHEMATICA SCANDINAVICA, [S. l.], v. 21, p. 159–176, 1967. DOI: 10.7146/math.scand.a-10856. Disponível em: https://www.mscand.dk/article/view/10856. Acesso em: 4 may. 2024.