NGAMCHUI, R.; SINGHA, N.; CHANAM, B. Maximum Modulus of the Derivatives of a Polynomial with Zeros Outside a Circle. Proceedings of the Bulgarian Academy of Sciences, Sofia, Bulgaria, v. 79, n. 8, p. 1013–1021, 2026. DOI: 10.7546/CRABS.2026.08.01. Disponível em: https://www.proceedings.bas.bg/index.php/cr/article/view/1025. Acesso em: 4 sep. 2026.