On the variational characterization of bivariate interpolation methods
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Publication:1213583
DOI10.1007/BF01214777zbMath0296.41003MaRDI QIDQ1213583
Franz-Jürgen Delvos, Heinz-Walter Kösters
Publication date: 1975
Published in: Mathematische Zeitschrift (Search for Journal in Brave)
Full work available at URL: https://eudml.org/doc/172276
Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Interpolation in approximation theory (41A05) Optimality conditions for problems in abstract spaces (49K27) Tensor products in functional analysis (46M05)
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