DETERDING, Stephen. Bounded point derivations on $R^p(X)$ and approximate derivatives. Mathematica Scandinavica, Berkeley, CA, United States, v. 124, n. 1, p. 132–148, 2019. DOI: 10.7146/math.scand.a-109998. Disponível em: https://journals.msp.org/mscand/article/view/245. Acesso em: 24 jul. 2026.