APPROXIMATION BY TRIGONOMETRIC POLYNOMIALS OF FUNCTIONS OF SEVERAL VARIABLES ON THE TORUS
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Publication:3797657
DOI10.1070/SM1988v059n01ABEH003134zbMath0652.42001MaRDI QIDQ3797657
Publication date: 1988
Published in: Mathematics of the USSR-Sbornik (Search for Journal in Brave)
Trigonometric approximation (42A10) Trigonometric polynomials, inequalities, extremal problems (42A05)
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