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摘要
The aim of a study of the presented paper is the differential subordination involving harmonic means of the expressions p(z), p(z) + zp'(z), and p(z) + zp'(z)/p(z) when p is an analytic function in the unit disk, such that p(0) = 1, p(z) not equivalent to 1. Several applications in the geometric functions theory are given.
- 出版日期2015-7
