HÖRMANDER, L. Some inequalities for functions of exponential type. MATHEMATICA SCANDINAVICA, [S. l.], v. 3, p. 21–27, 1955. DOI: 10.7146/math.scand.a-10421. Disponível em: https://www.mscand.dk/article/view/10421. Acesso em: 29 apr. 2024.