scientific article; zbMATH DE number 7238414
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Publication:5116196
zbMath1474.46073MaRDI QIDQ5116196
Publication date: 24 August 2020
Full work available at URL: http://mathnet.ru/eng/emj204
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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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