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Publication:3109240
DOI10.3770/J.ISSN:1000-341X.2011.01.015zbMath1240.41071MaRDI QIDQ3109240
Publication date: 27 January 2012
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)
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