TSVIL', M. M. Dzyadyk formula for summation of double Faber series. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 46, n. 9, p. 1283–1287, 1994. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5648. Acesso em: 5 dec. 2025.