No label defined (Q5758495)
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scientific article; zbMATH DE number 4194184
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | No label defined |
scientific article; zbMATH DE number 4194184 |
Statements
1990
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Poincaré-Bendixson theory
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nonlinear time-dependent dynamical system
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existence of limit cycles
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positively flow-invariant subset
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