BIRTEL, F. T. Slice Algebras of Bounded Analytic Functions. MATHEMATICA SCANDINAVICA, [S. l.], v. 21, p. 54–60, 1967. DOI: 10.7146/math.scand.a-10844. Disponível em: https://www.mscand.dk/article/view/10844. Acesso em: 30 apr. 2024.