STEPANETS, O. I. Approximation of cauchy-type integrals in Jordan domains. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 45, n. 6, p. 809–833, 1993. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5870. Acesso em: 14 apr. 2025.