Über eine Randwertaufgabe der Differentialgleichung \(r^2 {\partial^2 f\over \partial r^2}+r{\partial f\over \partial r}+q^2{\partial^2 f\over \partial\varphi^2}=r^2 k{\partial f\over \partial t}\) (Q2650786)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Über eine Randwertaufgabe der Differentialgleichung \(r^2 {\partial^2 f\over \partial r^2}+r{\partial f\over \partial r}+q^2{\partial^2 f\over \partial\varphi^2}=r^2 k{\partial f\over \partial t}\) |
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Statements
Über eine Randwertaufgabe der Differentialgleichung \(r^2 {\partial^2 f\over \partial r^2}+r{\partial f\over \partial r}+q^2{\partial^2 f\over \partial\varphi^2}=r^2 k{\partial f\over \partial t}\) (English)
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1953
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partial differential equations
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