《Fourier Series》求取 ⇩

Ⅰ.Generalities1

Ⅱ.Fourier series in HIlbert space15

Ⅲ.Further properties of trigonometrical Fourier series22

Ⅳ.Convergence of Fourier series37

Ⅴ.Summability of Fourier series53

Ⅵ.Applications of the theorems of Chapter Ⅴ69

Ⅶ.General triogonometrical series83

Notes93

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