The Characterization of Solutions of $\nabla ^2 \phi + \lambda ^2 \phi = 0$ by a Functional Equation (Q4075890)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The Characterization of Solutions of $\nabla ^2 \phi + \lambda ^2 \phi = 0$ by a Functional Equation |
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The Characterization of Solutions of $\nabla ^2 \phi + \lambda ^2 \phi = 0$ by a Functional Equation (English)
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1976
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