Made available in DSpace on 2021-06-25T11:01:17Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-05-01; We provide the normal forms, the bifurcation diagrams and the global phase portraits on the Poincaré disk of all planar Kukles systems of degree 3 with Z2-symmetries.; Instituto de Matemática e Computação Universidade Federal de Itajubá, Avenida BPS 1303; Departamento de Matemática IBILCE-UNESP, Rua C. ...