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Best approximation of a nonnormal operator in the trace normBOULDIN, R.Journal of mathematical analysis and applications. 1988, Vol 132, Num 1, pp 102-113, issn 0022-247XArticle

An equivalent condition of continuous metric selectionCHEN ZHIQIANG.Journal of mathematical analysis and applications. 1988, Vol 136, Num 1, pp 298-303, issn 0022-247XArticle

Sampling sums with kernels of finite oscillationVOGT, L.Numerical functional analysis and optimization. 1987, Vol 9, Num 11-12, pp 1251-1270, issn 0163-0563Article

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Fast one-sided approximation with spline functionsROHWER, C. H.Journal of computational and applied mathematics. 1987, Vol 18, Num 1, pp 93-105, issn 0377-0427Article

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Best approximation in C*-algebrasDAVIDSON, K. R; POWER, S. C.Journal für die reine und angewandte Mathematik. 1986, Vol 368, pp 43-62, issn 0075-4102Article

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The polya algorithm for convex approximationLEGG, D. A; TOWNSEND, D. W.Journal of mathematical analysis and applications. 1989, Vol 141, Num 2, pp 431-441, issn 0022-247XArticle

Moment-preserving spline approximation on finite intervalsFRONTINI, M; GAUTSCHI, W; MILOVANOVIC, G. V et al.Numerische Mathematik. 1987, Vol 50, Num 5, pp 503-518, issn 0029-599XArticle

Interpolatory properties of best L₁-approximantsKROO, A; PEHERSTORFER, F.Mathematische Zeitschrift. 1987, Vol 196, Num 2, pp 249-257, issn 0025-5874Article

L_p approximation from nonconvex subsets of special classes of functionsUBHAYA, V. A.Journal of approximation theory. 1989, Vol 57, Num 2, pp 223-238, issn 0021-9045Article

Further asymptotic properties of best approximation by splinesPENCE, D. D.Journal of approximation theory. 1987, Vol 49, Num 1, pp 1-17, issn 0021-9045Article

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A best approximation for constant e and an improvement to Hardy's inequalityXIE ZITIAN; ZHONG YIBING.Journal of mathematical analysis and applications. 2000, Vol 252, Num 2, pp 994-998, issn 0022-247XArticle

Strongly unique best approximations and centers in uniformly convex spacesPRUS, B; SMARZEWSKI, R.Journal of mathematical analysis and applications. 1987, Vol 121, Num 1, pp 10-21, issn 0022-247XArticle

Generalized strong unicity constants in linear uniform approximationZHU, C; DUNHAM, C; SCHMIDT, D et al.International journal of computer mathematics. 1996, Vol 62, Num 1-2, pp 73-87, issn 0020-7160Article

Topologies related to the prox map and the restricted center mapPAI, D. V; DESHPANDE, B. M.Numerical functional analysis and optimization. 1995, Vol 16, Num 9-10, pp 1211-1231, issn 0163-0563Article

Best uniform rational approximation of x^α on [0,1]STAHL, H.Bulletin, new series, of the American Mathematical Society. 1993, Vol 28, Num 1, pp 116-122, issn 0273-0979Article

Best L²-approximation of convergent moment seriesBAUR, G; SHAWYER, B.Mathematics of computation. 1990, Vol 54, Num 190, pp 661-669, issn 0025-5718, 9 p.Article

Best approximation by continuous n-convex functionsBROWN, A. L.Journal of approximation theory. 1989, Vol 57, Num 1, pp 69-76, issn 0021-9045Article