TY  - JOUR
AU  - Fonda, Alessandro
AU  - Zanolin, Fabio
TI  - Periodic solutions to second order differential equations of Liénard type with jumping nonlinearities
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1987
SP  - 33
EP  - 41
VL  - 28
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1987__28_1_a4/
LA  - en
ID  - CMUC_1987__28_1_a4
ER  -