中国科学院数学与系统科学研究院期刊网
The Exponents and Order of Convergence of Small Functions of Meromorphic Functions Concerning Derivatives and Differences
Pin Ling WANG, Shi Wei YANG, Ming Liang FANG
Acta Mathematica Sinica, Chinese Series . 2021, (1): 77 -86 .  DOI: 10.12386/A2021sxxb0006