MEL'NIK, V. I. Approximate representation for a natural power of the Riemann ζ-function. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 50, n. 4, p. 540–551, 1998. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4924. Acesso em: 5 dec. 2025.