On discreteness of spectrum of a second order differential operator (Q5149882)
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scientific article; zbMATH DE number 7307865
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On discreteness of spectrum of a second order differential operator |
scientific article; zbMATH DE number 7307865 |
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On discreteness of spectrum of a second order differential operator (English)
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8 February 2021
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discreteness of spectrum
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second-order differential operator
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