Conditions for the Spectrum in Eigenfunction Theory to be Bounded below and Discrete for λ < 0 (Q5536807)
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scientific article; zbMATH DE number 3249972
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Conditions for the Spectrum in Eigenfunction Theory to be Bounded below and Discrete for λ < 0 |
scientific article; zbMATH DE number 3249972 |
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Conditions for the Spectrum in Eigenfunction Theory to be Bounded below and Discrete for λ < 0 (English)
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1967
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ordinary differential equations
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