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Value distribution of the product of a meromorphic function and its derivative. (English) Zbl 1077.30025
Summary: We discuss the value distribution of the product of a meromorphic function and its derivative and we improve a recent result of K.-W. Yu [Kodai Math. J. 24, No. 3, 339–343 (2001; Zbl 1007.30024)].

MSC:
30D35 Value distribution of meromorphic functions of one complex variable, Nevanlinna theory
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