On best approximation of functions of two variables

DOI10.1215/S0012-7094-68-03539-4zbMath0169.07702OpenAlexW2022181809MaRDI QIDQ5920856

David A. Sprecher

Publication date: 1968

Published in: Duke Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1215/s0012-7094-68-03539-4

zbMATH Keywords

approximation and series expansion

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