ABDULLAYEV, F. G.; ARAL, N. D. On the Bernstein - Walsh-type lemmas in regions of the complex plane. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 63, n. 3, p. 291–302, 2011. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2717. Acesso em: 5 dec. 2025.