Abstract
We classify all of the weight-homogeneous planar polynomial differential systems of weight degree~$4$ having a polynomial first integral.
Citation
Jaume Llibre. Claudia Valls. "Polynomial first integrals for weight-homogeneous planar polynomial differential systems of weight degree~$4$." Rocky Mountain J. Math. 46 (5) 1619 - 1642, 2016. https://doi.org/10.1216/RMJ-2016-46-5-1619
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