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Dragomir SS. Two points and $n$ th derivatives norm inequalities for analytic functions in Banach algebras. Ukr. Mat. Zhurn. [Internet]. 2022 Oct. 4 [cited 2025 Apr. 16];74(8):1086-10. Available from:
https://umj.imath.kiev.ua/index.php/umj/article/view/6116