FLOR, Peter. Zur Bohr-Konvergenz von Folgen. Mathematica Scandinavica, Berkeley, CA, United States, v. 23, p. 169–170, 1968. DOI: 10.7146/math.scand.a-10907. Disponível em: https://journals.msp.org/mscand/article/view/2444. Acesso em: 25 jul. 2026.