The following publications are possibly variants of this publication:
- Centers and isochronous centers for generalized quintic systemsJaume Giné, Jaume Llibre, Cláudia Valls. jcam, 279:173-186, 2015. [doi]
- Integrability, degenerate centers, and limit cycles for a class of polynomial differential systemsJaume Giné, Jaume Llibre. cma, 51(9-10):1453-1462, 2006. [doi]
- The centers and their cyclicity for a class of polynomial differential systems of degree 7Rebiha Benterki, Jaume Llibre. jcam, 368, 2020. [doi]
- On the Limit Cycles of a Class of Discontinuous Piecewise Differential Systems Formed by Two Rigid Centers Governed by Odd Degree PolynomialsTiago Carvalho, Luiz Fernando Gonçalves, Jaume Llibre. IJBC, 32(16), December 2022. [doi]