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Continue to ChatThe Second Hankel Determinant Problem for a Class of Bi-Close-to-Convex Functions - https://avesis.kocaeli.edu.tr/yayin/c108ae4a-a321-448f-98e4-25de2fdd50e5/the-second-hankel-determinant-problem-for-a-class-of-bi-close-to-convex-functions