scientific article; zbMATH DE number 4184098
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Publication:5749768
zbMath0718.41034MaRDI QIDQ5749768
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Publication date: 1989
Full work available at URL: https://eudml.org/doc/181821
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Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65)
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