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PÁLL-SZABÓ, Ágnes O. 2019. Differential subordinations and superordinations for analytic functions defined by S˘al˘agean integro-differential operator. Studia Universitatis Babeș-Bolyai Mathematica. 64, 4 (Dec. 2019), 477–486. DOI:https://doi.org/10.24193/subbmath.2019.4.03.