ON BEST APPROXIMATIONS BY RATIONAL FUNCTIONS WITH A FIXED NUMBER OF POLES
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Publication:5662857
DOI10.1070/SM1971V015N02ABEH001547zbMath0249.41007OpenAlexW2018691293MaRDI QIDQ5662857
Publication date: 1972
Published in: Mathematics of the USSR-Sbornik (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1070/sm1971v015n02abeh001547
Best approximation, Chebyshev systems (41A50) Approximation by rational functions (41A20) Rate of convergence, degree of approximation (41A25)
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