Abstract
LetF be a family of meromorphic functions on the unit disc Δ and let a and b be distinct values. If for every f∈F, f and f′ share a and b on Δ, then F is normal on Δ.
Funding Statement
The first author was supported by NNSF of China approved no. 19771038 and by the Research Institute for Mathematical Sciences, Bar-Ilan University.
Citation
Xuecheng Pang. Lawrence Zalcman. "Normality and shared values." Ark. Mat. 38 (1) 171 - 182, March 2000. https://doi.org/10.1007/BF02384496
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