Temyakov, V. N. Widths of some classes of functions of several variables. (English. Russian original) Zbl 0524.41013 Sov. Math., Dokl. 26, 619-622 (1982); translation from Dokl. Akad. Nauk SSSR 267, 314-317 (1982). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 ReviewsCited in 1 Document MSC: 41A46 Approximation by arbitrary nonlinear expressions; widths and entropy 46E30 Spaces of measurable functions (\(L^p\)-spaces, Orlicz spaces, Köthe function spaces, Lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.) 42A05 Trigonometric polynomials, inequalities, extremal problems PDF BibTeX XML Cite \textit{V. N. Temyakov}, Sov. Math., Dokl. 26, 619--622 (1982; Zbl 0524.41013); translation from Dokl. Akad. Nauk SSSR 267, 314--317 (1982)