WILCOX, T. W. On the Structure of Maximally Almost Periodic Groups. MATHEMATICA SCANDINAVICA, [S. l.], v. 23, p. 221–232, 1968. DOI: 10.7146/math.scand.a-10914. Disponível em: https://www.mscand.dk/article/view/10914. Acesso em: 4 may. 2024.