Further Extension of a Theorem of Values Distribution of Meromorphic Function $f^{(k)}f^n$. Communications in Mathematical Research, [S. l.], v. 25, n. 3, p. 277–281, 2021. Disponível em: https://gsp.tricubic.dev/cmr/article/view/8621. Acesso em: 15 mar. 2026.