AN HUEF, A.; LACA, M.; RAEBURN, I. Boundary quotients of the right Toeplitz algebra of the affine semigroup over the natural numbers. New Zealand Journal of Mathematics, [S. l.], v. 52, p. 109–143, 2021. DOI: 10.53733/90. Disponível em: https://nzjmath.org/index.php/NZJMATH/article/view/90. Acesso em: 25 apr. 2024.