TY  - JOUR
AU  - Lakrib, Mustapha
AU  - Sari, Tewfik
TI  - Time averaging for ordinary differential equations and retarded functional differential equations
JO  - Electronic Journal of Differential Equations
PY  - 2010
VL  - 2010
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EJDE_2010__2010__a118/
LA  - en
ID  - EJDE_2010__2010__a118
ER  -