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English Pages 495 Year 2001
Table of contents :
Contents
Preface to the English Edition
Preface to the Russian Edition
Introduction
Chapter 1. SIMPLEST EXTREMAL PROBLEMS
Chapter 2. APPROXIMATION OF FUNCTIONS OF ONE VARIABLE BY FOURIER SUMS
Chapter 3. APPROXIMATION OF FUNCTIONS OF MANY VARIABLES BY FOURIER SUMS
Chapter 4. FEJER SUMS
Chapter 5. SPHERICAL RIESZ SUMS
Chapter 6. ROGOSINSKI SUMS
Chapter 7. FAVARD SUMS
REFERENCES
SUBJECT INDEX