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New Subclasses of Biunivalent Functions Involving Dziok-Srivastava Operator

New Subclasses of Biunivalent Functions Involving Dziok-Srivastava Operator

We introduce two new subclasses of biunivalent functions which are defined by using the Dziok-Srivastava operator. Furthermore, we find estimates on the coefficients and for functions in these new subclasses.