DESPIC, M.; GHAHRAMANI, F.; GRABINER, S. Weighted Convolution Algebras without Bounded Approximate Identities. Mathematica Scandinavica, Berkeley, CA, United States, v. 76, p. 257–272, 1995. DOI: 10.7146/math.scand.a-12541. Disponível em: https://journals.msp.org/mscand/article/view/1083. Acesso em: 25 jul. 2026.