TY  - JOUR
AU  - Elabbasy, E.
AU  - Saker, S.
TI  - Oscillation of delay differential equation with several positive and negative coefficients
JO  - Discussiones Mathematicae. Differential Inclusions, Control and Optimization
PY  - 2003
SP  - 39
EP  - 52
VL  - 23
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DMDICO_2003_23_1_a3/
LA  - en
ID  - DMDICO_2003_23_1_a3
ER  -