On Optimal Global Error Bounds Obtained by Scaled Local Error Estimates.
On the Fundamental Approximation Theorems of D. JACKSON, S. BERNSTEIN and Theorems of M. ZAMANSKY and S. B. STECKIN (Short Communication)
On the Fundamental Approximation Theorems of D. Jackson, S. N. Bernstein and Theorems of M. Zamansky and S. B. Steckin.
Eine Bemerkung zur Konvergenz Hermitescher Interpolationsprozesse.
Trigonometric Convolution Operators with Kernels having Alternating Signs and their Degree of Convergence.
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