This article is cited in 1 paper

Reports read at the International Conference on the Theory of Approximation of Functions held at Kaluga from July 24 to 28, 1975

Exact constants in some converse theorems for approximations by trigonometric polynomials

A. F. Timan, V. N. Trofimov

Dnepropetrovsk Chemical Engineering Institute

UDC: 517.5

Received: 12.02.1975

 English version: Mathematical Notes, 1976, 20:5, 999–1002

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