Summary.
An elementary proof of a generalization of a result of W. Hösler on functions having weak iterative roots is given. “Weak iterative root” is meant here in a sense proposed by Gy. Targonski.
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Received: March 7, 2000, revised version: October 19, 2000.
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Powierża, T. On functions with weak iterative roots. Aequat. Math. 63, 103–109 (2002). https://doi.org/10.1007/s00010-002-8009-5
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DOI: https://doi.org/10.1007/s00010-002-8009-5