scientific article

zbMATH Open0665.46027MaRDI QIDQ3816542

P. I. Lizorkin, S. M. Nikol'skij

Publication date: 1988

Full work available at URL: https://eudml.org/doc/63046

Title of this publication is not available (Why is that?)

zbMATH Keywords

Besov spacesfunction classesapproximation by means of entire functions of exponential typeaveraging over a sphereNikol'skij spaces

Mathematics Subject Classification ID

Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Approximation by other special function classes (41A30)

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