zbMATH — the first resource for mathematics

Saturation theory converse problem. (English. Russian original) Zbl 0194.09201
Math. Notes 6(1969), 811-815 (1970); translation from Mat. Zametki 6, 583-590 (1969).

Full Text: DOI
[1] I. P. Natanson, Constructive Theory of Functions, Moscow-Leningrad (1949).
[2] R. M. Trigub, ?On ?-sums of Fourier,? Symposium, Investigations of Contemporary Problems of Constructive Theory of Functions,? [in Russian], Baku (1965), pp. 389-396.
[3] N. K. Bari, ?Best approximation by trigonometric polynomials of two conjugate functions,? Izv. AN SSSR, Ser. Matem.,19, 285-302 (1955).
[4] S. B. Stechkin, ?Approximations of periodic functions by Fejér sums,? Trudy Matem. In-ta AN SSSR,62, 48-60 (1961).
[5] V. V. Zhuk, ?Approximating 2?-periodic function by values of a bounded semi-additive operator,? Part 1, Vestnik Leningr. Un-ta, No. 1, 21-35 (1967).
[6] V. V. Zhuk, ?Approximating periodic functions using linear methods of summation of Fourier series,? Izv. Leningr. Elektrotekhn. In-ta, Novgorod, 202-210 (1967).
[7] V. V. Zhuk, ?Approximating 2?-periodic function by a linear operator,? Symposium, ?Investigations of Problems of Constructive Theory of Functions,? Leningrad (1965), pp. 93-115.
[8] A. F. Timan, Approximation Theory for Functions of a Real Variable [in Russian], Moscow (1960). · Zbl 0125.03504
This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. It attempts to reflect the references listed in the original paper as accurately as possible without claiming the completeness or perfect precision of the matching.