SCHMOEGER, C. Pseudo-inverses, holomorphic functions and Atkinson theory in Banach algebras. MATHEMATICA SCANDINAVICA, [S. l.], v. 72, p. 303–319, 1993. DOI: 10.7146/math.scand.a-12450. Disponível em: https://www.mscand.dk/article/view/12450. Acesso em: 23 nov. 2024.