YAMAGUCHI, Hiroshi. On integer-valued Fourier-Stieltjes transforms on a LCA group with a certain direction. Mathematica Scandinavica, Berkeley, CA, United States, v. 54, p. 114–120, 1984. DOI: 10.7146/math.scand.a-12045. Disponível em: https://journals.msp.org/mscand/article/view/1582. Acesso em: 25 jul. 2026.