Characterizations of the strongly unique best approximationsMAH, P. F.Numerical functional analysis and optimization. 1984, Vol 7, Num 4, pp 311-331, issn 0163-0563Article

A characterization of an element of best simultaneous approximationOWENS, R. W.Numerical functional analysis and optimization. 1983, Vol 6, Num 4, pp 447-455, issn 0163-0563Article

On best simultaneous approximationNARANG, T. D.Journal of approximation theory. 1983, Vol 39, Num 1, pp 93-96, issn 0021-9045Article

On a numerical differentiationHERCEG, D; CVETKOVIC, L.SIAM journal on numerical analysis. 1986, Vol 23, Num 3, pp 686-691, issn 0036-1429Article

A framework for best simultaneous approximation: Normed almost linear spacesGODINI, G.Journal of approximation theory. 1985, Vol 43, Num 4, pp 338-358, issn 0021-9045Article

Local Lipschitz constantsANGELOS, J. R; HENRY, M. S; KAUFMAN, E. H. JR et al.Journal of approximation theory. 1985, Vol 43, Num 1, pp 53-63, issn 0021-9045Article

Best local approximation in several variablesCHUI, C. K; DIAMOND, H; RAPHAEL, L. A et al.Journal of approximation theory. 1984, Vol 40, Num 4, pp 343-350, issn 0021-9045Article

Lipschitz conditions, strong uniqueness, and almost chebyshev subspaces of C(X)BARTELT, M. W; SCHMIDT, D.Journal of approximation theory. 1984, Vol 40, Num 3, pp 202-215, issn 0021-9045Article

A relation between Peano Kernels and a theorem of BernsteinHOLLAND, A. S. B; PHILLIPS, G. M; TAYLOR, P. J et al.Journal of approximation theory. 1984, Vol 41, Num 4, pp 386-389, issn 0021-9045Article

A geometric characterization of H-setsBRANNIGAN, M.Journal of approximation theory. 1983, Vol 39, Num 2, pp 202-210, issn 0021-9045Article

Strong unicity of arbitrary rateCHALMERS, B. L; METCALF, F. T; TAYLOR, G. D et al.Journal of approximation theory. 1983, Vol 37, Num 3, pp 238-245, issn 0021-9045Article

Strong unicity of best approximations: a numerical aspectNÜRNBERGER, G.Numerical functional analysis and optimization. 1983, Vol 6, Num 4, pp 399-421, issn 0163-0563Article

Best approximations from Hilbert submanifoldsANDERSON, L.Journal of approximation theory. 1985, Vol 44, Num 3, pp 197-204, issn 0021-9045Article

Uniqueness of best simultaneous approximation and strictly interpolating subspacesAMIR, D.Journal of approximation theory. 1984, Vol 40, Num 3, pp 196-201, issn 0021-9045Article

Zolotarevs first problem ― the best approximation by polynomials of degree ≤n-2 to xⁿ-nσx^n-1 in [-1,1]CARLSON, B. C; TODD, J.Aequationes mathematicae (Printed ed.). 1983, Vol 26, Num 1, pp 1-33, issn 0001-9054Article

Best approximation and optimizationSINGER, I.Journal of approximation theory. 1984, Vol 40, Num 3, pp 274-284, issn 0021-9045Article

Parametric approximation by splinesSOMMER, M.Numerical functional analysis and optimization. 1984, Vol 7, Num 1, pp 1-21, issn 0163-0563Article

Approximation en moyenne des classes de fonctions différentiables par des polynômes algébriquesKOFANOV, V. A.Izvestiâ Akademii nauk SSSR. Seriâ matematičeskaâ. 1983, Vol 47, Num 5, pp 1078-1090, issn 0373-2436Article

Best local approximation and generalized convexityLAPIDOT, E.Journal of approximation theory. 1985, Vol 45, Num 1, pp 61-68, issn 0021-9045Article

The bent strong uniqueness constant for a multivariate Chebyshev polynomialRIVLIN, T. J.Journal of approximation theory. 1984, Vol 41, Num 1, pp 56-63, issn 0021-9045Article

On a sufficient condition for best L¹-approximationPEHERSTORFER, F.SIAM journal on mathematical analysis. 1984, Vol 15, Num 6, pp 1188-1195, issn 0036-1410Article

Relative Chebyshev centers in normed linear spaces. IIAMIR, D; ZIEGLER, Z; SHISHA, O et al.Journal of approximation theory. 1983, Vol 38, Num 4, pp 293-311, issn 0021-9045Article

Approximation des fonctions ayant des dérivées fractionnaires à variation bornée par des opérateurs rationnelsRUSAK, V. N.Vesci Akademii navuk BSSR. Seryâ fizika-matematyčnyh navuk. 1983, Num 6, pp 20-26, issn 0002-3574Article

NONLINEAR TCHEBYCHEFF APPROXIMATION WITH CONSTRAINTSGISLASON GA; LOEB HL.1972; J. APPROXIM. THEORY; U.S.A.; DA. 1972; VOL. 6; NO 3; PP. 291-300; BIBL. 6 REF.Serial Issue

Uniform Lipschitz continuity of best l_p-approximations by polyhedral setsFINZEL, M; WU LI.Journal of mathematical analysis and applications. 1998, Vol 228, Num 1, pp 112-118, issn 0022-247XArticle