scientific article; zbMATH DE number 3379497

zbMath0239.41014MaRDI QIDQ5651137

I. I. Ibragimov, M.-B. A. Babaev

Publication date: 1971

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Multidimensional problems (41A63)

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