Geodesic
Mixed Series of Chebyshev Polynomials Orthogonal on a Uniform Grid
Matematičeskie zametki, Tome 78 (2005) no. 3, pp. 442-465

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We construct an expansion of a discrete function in the form of a mixed series of Chebyshev polynomials. We obtain estimates of the approximation error of the function and its derivatives. 
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     author = {I. I. Sharapudinov},
     title = {Mixed {Series} of {Chebyshev} {Polynomials} {Orthogonal} on a {Uniform} {Grid}},
     journal = {Matemati\v{c}eskie zametki},
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     number = {3},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2005_78_3_a10/}
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I. I. Sharapudinov. Mixed Series of Chebyshev Polynomials Orthogonal on a Uniform Grid. Matematičeskie zametki, Tome 78 (2005) no. 3, pp. 442-465. http://geodesic.mathdoc.fr/item/MZM_2005_78_3_a10/