When Parallels and Meridians are Limit Cycles for Polynomial Vector Fields on Quadrics of Revolution in the Euclidean 3-Space. - Fabio Scalco Dias; Jaume Llibre; Luis Fernando Mello (Int. J. Bifurc. Chaos, 2016)

Polynomial Hamiltonian systems of degree 3 with symmetric nilpotent centers. - Fabio Scalco Dias; Jaume Llibre; Cláudia Valls (Math. Comput. Simul., 2018)

Global Phase Portraits for a Planar ℤ2-Equivariant Kukles Systems of Degree 3. - Fabio Scalco Dias; Ronisio Moises Ribeiro; Cláudia Valls (Int. J. Bifurc. Chaos, 2020)

Global Phase Portraits for the Kukles Systems of Degree 3 with ℤ2-Reversible Symmetries. - Fabio Scalco Dias; Ronisio Moises Ribeiro; Cláudia Valls (Int. J. Bifurc. Chaos, 2021)

Bounded Kukles Systems of Degree Three. - Fabio Scalco Dias; Luis Fernando Mello; Cláudia Valls (Int. J. Bifurc. Chaos, 2024)