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Introduction to the theory of approximation of functions. Educational textbook. (Vvedenie v teoriyu priblizheniya funktsij. Uchebnoe posobie). (Russian) Zbl 0414.41001

Leningradskij Ordena Lenina i Ordena Trudovogo Krasnogo Znameni Gosudarstvennyj Universitet im. A. A. Zhdanova. Leningrad: Izdatel’stvo Leningradskogo Universiteta. 184 p. R 1.61 (1977).

MSC:

41-01 Introductory exposition (textbooks, tutorial papers, etc.) pertaining to approximations and expansions
41A50 Best approximation, Chebyshev systems
41A05 Interpolation in approximation theory
41A10 Approximation by polynomials