TY  - JOUR
AU  - Girg,  Petr
TI  - Existence of periodic solutions for a semilinear ordinary differential equation
JO  - Electronic journal of differential equations
PY  - 1998
VL  - 1998
UR  - http://geodesic.mathdoc.fr/item/EJDE_1998__1998__a28/
LA  - en
ID  - EJDE_1998__1998__a28
ER  -