Displaying similar documents to “Mapping properties of some classes of analytic functions under a general integral operator defined by the Hadamard product”

Some inequalities involving multivalent functions

Shigeyoshi Owa, Mamoru Nunokawa, Hitoshi Saitoh (1994)

Annales Polonici Mathematici

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The object of the present paper is to derive some inequalities involving multivalent functions in the unit disk. One of our results is an improvement and a generalization of a result due to R. M. Robinson [4].