DYAVANAL, R. S.; MATHAI, M. M. Uniqueness of difference-differential polynomials of meromorphic functions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 7, p. 906–914, 2019. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1484. Acesso em: 27 apr. 2025.