SOLVED AND UNSOLVED PROBLEMS IN THE THEORY OF TRIGONOMETRIC AND ORTHOGONAL SERIES

DOI10.1070/RM1964V019N01ABEH004136zbMath0125.31208OpenAlexW1987262149MaRDI QIDQ5330793

P. L. Ul'yanov

Publication date: 1964

Published in: Russian Mathematical Surveys (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1070/rm1964v019n01abeh004136

zbMATH Keywords

approximation and series expansion

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