D. Djedid, J. Llibre, A. Makhlouf.
4-Dimensional zero Hopf bifurcation of quadratic polynomial differential systems, via averaging theory.
To appear in J. Appl. Anal.
PreprintAbstract

L. Jiménez-Lara, J. Llibre.
The free Euler equations revisited.
To appear in Dyn. Contin. Discrete Impuls. Syst. Ser A: Math Anal.
PreprintAbstract

J. Llibre.
Global asymptotic stability for the rigid polynomial differential systems of degree three.
To appear in Commun. Nonlinear Sci. Numer. Simul. [DOI]
PreprintAbstract

J. Llibre, R. A. T. Santos.
Limit cycles of discontinuous piecewise linear differential systems with two zones separated by a parabola.
To appear in Discrete Contin. Dyn. Syst. Ser. B
PreprintAbstract