On nonexistence of strongly unique best approximationsSMARZEWSKI, R.Journal of mathematical analysis and applications. 1989, Vol 142, Num 1, pp 35-39, issn 0022-247XArticle

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

BEST LOCAL APPROXIMATION IN ORLICZ SPACESCUENYA, H; LEVIS, F; MARANO, M et al.Numerical functional analysis and optimization. 2011, Vol 32, Num 10-12, pp 1127-1145, issn 0163-0563, 19 p.Article

Bounds on projections onto bivariate polynomial spline spaces with stable local basesVON GOLITSCHEK, Manfred; SCHUMAKER, Larry L.Constructive approximation. 2002, Vol 18, Num 2, pp 241-254, issn 0176-4276Article

Approximation in L_p[0, 1] by n-convex functionsSWETITS, J. J; WEINSTEIN, S. E; YUESHENG XU et al.Numerical functional analysis and optimization. 1990, Vol 11, Num 1-2, pp 167-179, issn 0163-0563Article

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

Nonlinear duality and best approximations in metric linear spacesSCHNATZ, K.Journal of approximation theory. 1987, Vol 49, Num 3, pp 201-218, issn 0021-9045Article

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

On best partial basesLEWIS, J. T; SHISHA, O.Journal of approximation theory. 1986, Vol 47, Num 4, pp 326-335, issn 0021-9045Article

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

Estimations uniformes de la stabilité des isométriesSEMENOV, V. I.Sibirskij matematičeskij žurnal. 1986, Vol 27, Num 3, pp 193-199, issn 0037-4474Article

Continued Fractions, Diophantine Approximations, and Design of Color TransformsREZNIK, Yuriy A.Proceedings of SPIE, the International Society for Optical Engineering. 2008, Vol 7073, pp 707309.1-707309.11, issn 0277-786X, isbn 978-0-8194-7293-9 0-8194-7293-X, 1VolConference Paper

A 1.75-approximation algorithm for unsigned translocation distanceYUN CUI; LUSHENG WANG; DARNING ZHU et al.Lecture notes in computer science. 2005, pp 392-401, issn 0302-9743, isbn 3-540-30935-7, 1Vol, 10 p.Conference Paper

Characterizations of proximinal, semi-Chebychevian and Chebychevian subspaces in real normed spacesDRAGOMIR, S. S.Numerical functional analysis and optimization. 1991, Vol 12, Num 5-6, pp 487-491, issn 0163-0563Article

On a problem in monotone approximationXINGPING SUN.Journal of approximation theory. 1989, Vol 57, Num 3, pp 239-244, issn 0021-9045Article

Best approximations in L^p(dμ) and prediction problems of Szegö, Kolmogorov, Yaglom, and NakaziMIAMEE, A. G; MOHSEN POURAHMADI.Journal of the London Mathematical Society. 1988, Vol 38, Num 1, pp 133-145, issn 0024-6107Article

Norms in product spaces which preserve approximation propertiesBENITEZ, C; FERNANDEZ, M.Proceedings of the Royal Society of Edinburgh. Section A. Mathematics. 1987, Vol 105, pp 199-203, issn 0308-2105Article

On transitivity of proximinalityINDUMATHI, V.Journal of approximation theory. 1987, Vol 49, Num 2, pp 130-143, issn 0021-9045Article

On measures induced by extremal signatures in best real polynomial approximationGEHLEN, W.Constructive approximation. 1998, Vol 14, Num 1, pp 79-96, issn 0176-4276Article