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Publication:4064466
zbMath0307.41024MaRDI QIDQ4064466
I. I. Ibragimov, M.-B. A. Babaev
Publication date: 1975
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Best approximation, Chebyshev systems (41A50) Multidimensional problems (41A63) Approximation by arbitrary linear expressions (41A45)
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