BRENNER, P.; THOMÉE, V. Stability and Convergence Rates in $L^p$ for Certain Difference Schemes. MATHEMATICA SCANDINAVICA, [S. l.], v. 27, p. 5–23, 1970. DOI: 10.7146/math.scand.a-10983. Disponível em: https://www.mscand.dk/article/view/10983. Acesso em: 4 may. 2024.