scientific article; zbMATH DE number 4118984

zbMath0683.46024MaRDI QIDQ4732920

Jean Bourgain, Mikhael Gromov

Publication date: 1989

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

Sobolev spacewidthsn-Bernstein widthseveral variable case

Mathematics Subject Classification ID

Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

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