TY - JOUR AU - Elabbasy, E. AU - Hassan, T. AU - Saker, S. TI - Necessary and Sufficient Condition for Oscillations of Neutral Differential Equation JO - Serdica Mathematical Journal PY - 2005 SP - 279 EP - 290 VL - 31 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2005_31_4_a1/ LA - en ID - SMJ2_2005_31_4_a1 ER -