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The approximation of functions and their derivatives by interpolatory splines. (English. Russian original) Zbl 0509.41004
Sov. Math., Dokl. 25, 806-809 (1982); translation from Dokl. Akad. Nauk SSSR 264, 1063-1066 (1982).

MSC:
41A15 Spline approximation
41A17 Inequalities in approximation (Bernstein, Jackson, Nikol’skiń≠-type inequalities)
41A05 Interpolation in approximation theory
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