HÖRMANDER, Lars. Some inequalities for functions of exponential type. Mathematica Scandinavica, Berkeley, CA, United States, v. 3, p. 21–27, 1955. DOI: 10.7146/math.scand.a-10421. Disponível em: https://journals.msp.org/mscand/article/view/2901. Acesso em: 8 sep. 2026.