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On the approximation of the derivation operator on a circle - MaRDI portal

On the approximation of the derivation operator on a circle

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Publication:1839379

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zbMath0512.41020MaRDI QIDQ1839379

Alexander P. Buslaev

Publication date: 1980

Published in: Moscow University Mathematics Bulletin (Search for Journal in Brave)

zbMATH Keywords

extremal operator

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Approximation by positive operators (41A36)

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