ARAZY, J. Isometries of Banach Algebras Satisfying the von Neumann Inequality. MATHEMATICA SCANDINAVICA, [S. l.], v. 74, p. 137–151, 1994. DOI: 10.7146/math.scand.a-12485. Disponível em: https://www.mscand.dk/article/view/12485. Acesso em: 28 apr. 2024.