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• Author or Editor: J. Szabados
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## On an interpolation-theoretic extremum problem

Periodica Mathematica Hungarica
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## Book review

Periodica Mathematica Hungarica
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## On a problem of L. Leindler concerning strong approximation by Fourier series

Analysis Mathematica
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Л. Лейндлер поставил з адачу о том, следует ли при 0<р<1 из условия
\documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{bm} \usepackage{mathrsfs} \usepackage{pifont} \usepackage{stmaryrd} \usepackage{textcomp} \usepackage{upgreek} \usepackage{portland,xspace} \usepackage{amsmath,amsxtra} \pagestyle{empty} \DeclareMathSizes{10}{9}{7}{6} \begin{document} $$\mathop {\max }\limits_x \sum\limits_{k = 0}^\infty {\left| {S_k (x) - f(x)} \right|^p< \infty }$$ \end{document}
принадлежность функ цииf классу Lip 1 (здесьS k (x) — сумма Фурье порядкаk функц ииf). В работе дан положите льный ответ на этот во прос. Рассматриваются так же различные обобщен ия этой задачи.
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## On the order of magnitude of fundamental polynomials of hermite interpolation

Acta Mathematica Hungarica
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## On some problems connected with polynomials orthogonal on the complex unit circle

Acta Mathematica Hungarica
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## On the norm of certain interpolating operators

Acta Mathematica Hungarica
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## On the rate of convergence of a lacunary trigonometric interpolation process

Acta Mathematica Hungarica
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## Rational approximation in certain classes of functions

Acta Mathematica Hungarica
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## Structural properties of continuous functions connected with the order of rational approximation. II

Acta Mathematica Hungarica
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