Lectures on Summability (Lecture Notes in Mathematics, 107)
On the Pointwise Convergence of Fourier Series
Multipliers for (C,alpha)-Bounded Fourier Expansions in Banach Spaces and Approximation Theory (Lecture Notes in Mathematics, 329)
Discontinuous Cebysev Systems (Lecture Notes in Mathematics, 707)
Vorlesungen über Orthogonalreihen
Bessel Polynomials (Lecture Notes in Mathematics, 698)
Integration Theory (Lecture Notes in Mathematics, 1078)
Fourier Analysis and Approximation of Functions
Pointwise Convergence of Fourier Series
Approximation of Functions of Several Variables and Imbedding Theorems (Grundlehren der mathematischen Wissenschaften)
