HEWITT, Edwin; RUBIN, Herman. The maximum value of a Fourier-Stieltjes transform. Mathematica Scandinavica, Berkeley, CA, United States, v. 3, p. 97–102, 1955. DOI: 10.7146/math.scand.a-10429. Disponível em: https://journals.msp.org/mscand/article/view/2898. Acesso em: 8 sep. 2026.