Hayashi Makoto and Villari Gabriele and Zanolin Fabio: On the uniqueness of limit cycle for certain Liénard systems without symmetry. (2018)
Hayashi Makoto and Villari Gabriele and Zanolin Fabio: On the uniqueness of limit cycle for certain Liénard systems without symmetry. (2018)
Pascoletti Anna and Pireddu Marina and Zanolin Fabio: Multiple periodic solutions and complex dynamics for second order ODEs via linked twist maps. (2008)