BRENNER, Philip; THOMÉE, Vidar. Stability and Convergence Rates in $L^p$ for Certain Difference Schemes. Mathematica Scandinavica, Berkeley, CA, United States, v. 27, p. 5–23, 1970. DOI: 10.7146/math.scand.a-10983. Disponível em: https://journals.msp.org/mscand/article/view/2339. Acesso em: 25 jul. 2026.