GUO, F.; LI, Y. A new proof of Bergweiler’s conjecture concerning the first derivative of transcendental meromorphic function with picard exceptional value. Tamkang Journal of Mathematics, [S. l.], v. 46, n. 1, p. 91–99, 2015. DOI: 10.5556/j.tkjm.46.2015.1631. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/1631. Acesso em: 3 may. 2024.