Storozhenko, Eh. A.; Krotov, V. G.; Osval’d, P. Direkte und inverse Sätze vom Jacksonschen Typ in \(L_p\)-Räumen, \(0<p<1\). (Russian) Zbl 0314.41004 Mat. Sb., N. Ser. 98(140), 395-415 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 15 Documents MSC: 41A10 Approximation by polynomials 41A65 Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) 42A10 Trigonometric approximation 41A50 Best approximation, Chebyshev systems 42C05 Orthogonal functions and polynomials, general theory of nontrigonometric harmonic analysis PDF BibTeX XML Cite \textit{Eh. A. Storozhenko} et al., Mat. Sb., Nov. Ser. 98(140), 395--415 (1975; Zbl 0314.41004)