scientific article; zbMATH DE number 3353942

zbMATH Open0223.41017MaRDI QIDQ5628645

M.-B. A. Babaev

Publication date: 1971

Title of this publication is not available (Why is that?)

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Approximation by arbitrary linear expressions (41A45)

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