Author:
DENG BINGMAO,FANG MINGLIANG,LIU DAN
Abstract
AbstractLet ℱ be a family of zero-free meromorphic functions in a domain D, let h be a holomorphic function in D, and let k be a positive integer. If the function f(k)−h has at most k distinct zeros (ignoring multiplicity) in D for each f∈ℱ, then ℱ is normal in D.
Publisher
Cambridge University Press (CUP)
Reference12 articles.
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