TY  - JOUR
AU  - Elabbasy, E.
AU  - Hassan, T.
TI  - Oscillation Criteria for First Order Delay Differential Equations
JO  - Serdica Mathematical Journal
PY  - 2004
SP  - 71
EP  - 86
VL  - 30
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SMJ2_2004_30_1_a5/
LA  - en
ID  - SMJ2_2004_30_1_a5
ER  -