ESSÉN, Matts. A Theorem on the Maximum Modulus of Entire Functions. MATHEMATICA SCANDINAVICA, [S. l.], v. 17, p. 161–168, 1965. DOI: 10.7146/math.scand.a-10770. Disponível em: https://tidsskrift.dk/math/article/view/10770. Acesso em: 14 aug. 2026.