Limit Cycles on Piecewise Smooth Vector Fields with Coupled Rigid Centers. - Tiago Carvalho 005; Luiz Fernando Gonçalves; Jaume Llibre (Int. J. Bifurc. Chaos, 2021)

On the Limit Cycles of a Class of Discontinuous Piecewise Differential Systems Formed by Two Rigid Centers Governed by Odd Degree Polynomials. - Tiago Carvalho 005; Luiz Fernando Gonçalves; Jaume Llibre (Int. J. Bifurc. Chaos, 2022)