RUSEV, P. Zeroes of polynomials and entire functions in the works of N. Obreshkoff. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 89, p. 37–46, 1997. Disponível em: https://stipendii.uni-sofia.bg/index.php/fmi/article/view/353. Acesso em: 21 nov. 2024.