No label defined (Q4649328)
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scientific article; zbMATH DE number 6109400
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | No label defined |
scientific article; zbMATH DE number 6109400 |
Statements
21 November 2012
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positive solution
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periodic solution
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system of second-order differential equations
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Krasnosel'skii's theorem in cones
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