A strengthened form of a theorem of Fejér
Compositio Mathematica (1969)
- Volume: 21, Issue: 3, page 262-270
- ISSN: 0010-437X
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top- L. Fejér [1 ] Ûber die Bestimmung des Sprunges einer Funktionen aus ihrer Fourierreihe, J. Reine Angew. Math, 142 (1913), 165-168. Zbl44.0483.01JFM44.0483.01
- J.A. Siddiqi [2] Coefficient properties of certain Fourier series, Math. Ann., 181 (1969), 242-254. Zbl0164.07302MR243260
- N. Wiener [3] The quadratic variation of a function and its Fourier coefficients, J. Math. and Phys.3 (1924), 72—94. Zbl50.0203.01JFM50.0203.01
- A. Zygmund [4] Trigonometric Series vol. 1, Cambridge, 1959. Zbl0085.05601