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چکیده
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The aim of the present paper is to determine bounds on the difference of the moduli of successive coefficients, that is |an+1|−|an| for classes defined by subordination like classes of starlike functions S∗ (ϕ), and convex functions C(ϕ). For various special functions ϕ corresponding consequences of the main result are also presented that incorporate some known results as the special cases.d
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