BRIEM, E. Enlarging a subspace of $C(X)$ without changing the Choquet boundary. MATHEMATICA SCANDINAVICA, [S. l.], v. 44, p. 218–224, 1979. DOI: 10.7146/math.scand.a-11805. Disponível em: https://www.mscand.dk/article/view/11805. Acesso em: 24 nov. 2024.