GERUS, O. F. Estimates for the modulus of a Cauchy-type integral and its derivatives. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 51, n. 6, p. 732–743, 1999. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4660. Acesso em: 14 apr. 2025.