ANDRUSYAK, I. V.; FILEVYCH, P. V. The coefficients of power expansion and $a$-points of an entire function with Borel exceptional value. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 68, n. 2, p. 147–155, 2016. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1829. Acesso em: 5 dec. 2025.