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Approximation of functions by polynomials with linked coefficients. (English. Russian original) Zbl 0167.33501

Sov. Math., Dokl. 6, 679-683 (1965); translation from Dokl. Akad. Nauk SSSR 162, 290-293 (1965).

MSC:

41A05 Interpolation in approximation theory
42A10 Trigonometric approximation
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