On the Keldysh problem for a mixed-type equation with two singular lines (Q2112326)
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scientific article; zbMATH DE number 7640112
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On the Keldysh problem for a mixed-type equation with two singular lines |
scientific article; zbMATH DE number 7640112 |
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On the Keldysh problem for a mixed-type equation with two singular lines (English)
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10 January 2023
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mixed-type equation
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singular coefficient
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Keldysh problem
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uniqueness criterion
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irrationality measure
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Fourier-Bessel series
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small denominator
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existence
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