Approximation by a floating system of exponentials on classes of periodic smooth functions
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Publication:921407
zbMath0709.42504MaRDI QIDQ921407
Publication date: 1989
Published in: Proceedings of the Steklov Institute of Mathematics (Search for Journal in Brave)
Best approximation, Chebyshev systems (41A50) Multidimensional problems (41A63) Harmonic analysis in several variables (42B99)
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