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Coefficient inequality for a generalized subclass of analytic functionsOrhan, HalitYagmur, NihatDeniz, ErhanAnalytic functionCloso-to-convex functionFekete-Szegö problemStrongly starlike and convex functionFor α(0 ≤ α < 1), η(0 ≤ η ≤ 1), β(0 < β ≤ 1), let Hm λ,μ(α; β, η) be the class of normalised functions defined in the unit disk μ by where Dm λ,μ is a linear multiplier differential operator and g ε Pm λ,μ(α; β, η) the class of normalized functions defined in the unit disk μ by For f ε Hm λ,μ(α; β, η) and given by f(z) = z +a2z2 +a3z3 +..., a sharp upper bound is obtained for {Pipe}a3-ξa22{Pipe} when A2ξ ≥ A21 where A1 and A2 are given below.2011Articlehttps://rdlopen.rawdatalibrary.net/r/ebyu/157992065-2151enBulletin of the Transilvania University of Brasov, Series III: Mathematics, Informatics, Physicsinfo:eu-repo/semantics/openAccessinfo:eu-repo/semantics/articlehttps://ebyu-rdlopen.rawdatalibrary.net/tr/items/ebyu/15799