PYM, J. S. On Almost Periodic Compactifications. MATHEMATICA SCANDINAVICA, [S. l.], v. 12, p. 189–198, 1963. DOI: 10.7146/math.scand.a-10682. Disponível em: https://www.mscand.dk/article/view/10682. Acesso em: 19 apr. 2024.