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Publication:4045129
zbMath0293.41020MaRDI QIDQ4045129
Publication date: 1972
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Trigonometric approximation (42A10) Multidimensional problems (41A63) Fourier series and coefficients in several variables (42B05) Approximation by other special function classes (41A30) Linear function spaces and their duals (46Exx)
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