SVENSSON, Erik. On Fourier-Stieltjes transforms integer-valued on a given subset. Mathematica Scandinavica, Berkeley, CA, United States, v. 44, p. 103–134, 1979. DOI: 10.7146/math.scand.a-11798. Disponível em: https://journals.msp.org/mscand/article/view/1847. Acesso em: 25 jul. 2026.