# Centers and limit cycles of polynomial differential systems of degree <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si49.gif" display="inline" overflow="scroll"><mml:mn>4</mml:mn></mml:math> via averaging theory

> Research article (Journal of Computational and Applied Mathematics, 2016) · cited 20× · AI/ML

**Wikidata**: [openalex:W2521317762](https://www.wikidata.org/wiki/openalex:W2521317762)  
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