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