SIEBERT, Eberhard. On the Levy-Chintschin formula on locally compact maximally almost periodic groups. Mathematica Scandinavica, Berkeley, CA, United States, v. 41, p. 331–346, 1977. DOI: 10.7146/math.scand.a-11726. Disponível em: https://journals.msp.org/mscand/article/view/1919. Acesso em: 25 jul. 2026.