Periodic solutions for second order systems at resonance (Q4225447)
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scientific article; zbMATH DE number 1239622
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Periodic solutions for second order systems at resonance |
scientific article; zbMATH DE number 1239622 |
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Periodic solutions for second order systems at resonance (English)
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31 October 1999
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periodic solution
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resonance
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critical point
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saddle point theorem
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generalized mountain pass theorem
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