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On one criterion for analyticity of functions. (Russian, English) Zbl 1164.30300
Ukr. Mat. Zh. 59, No. 10, 1410-1418 (2007); translation in Ukr. Math. J. 59, No. 10, 1581-1590 (2007).
Summary: We prove a generalization of the well-known Dzyadyk theorem that gives an interesting geometric criterion for the analyticity of functions.

MSC:
30A05 Monogenic and polygenic functions of one complex variable
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