No label defined (Q4224284)
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scientific article; zbMATH DE number 1237850
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | No label defined |
scientific article; zbMATH DE number 1237850 |
Statements
13 January 1999
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stable focus
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existence of limit cycles
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limit and separatrix cycles
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singular points
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