KESTEN, H. Full Banach Mean Values on Countable groups. MATHEMATICA SCANDINAVICA, [S. l.], v. 7, p. 146–156, 1959. DOI: 10.7146/math.scand.a-10568. Disponível em: https://www.mscand.dk/article/view/10568. Acesso em: 26 apr. 2024.