Nonsymmetric approximations of a class by a class defined by means of a linear differential operator (Q756062)

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scientific article; zbMATH DE number 4190381
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Nonsymmetric approximations of a class by a class defined by means of a linear differential operator
scientific article; zbMATH DE number 4190381

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    Nonsymmetric approximations of a class by a class defined by means of a linear differential operator (English)
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    1990
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    best approximation
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    comparison theorems
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    \(\Sigma \) -rearrangements
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    linear differential operator
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