TY - JOUR AU - El-Shobaky, E. AU - Elabbasy, E. M. AU - Hassan, T. S. AU - Glalah, B. A. TI - Interval Criteria for Forced Oscillation of Functional Differential Equations with γ-Laplacian, Damping and Mixed Nonlinearities JO - Serdica Mathematical Journal PY - 2014 SP - 55 EP - 76 VL - 40 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2014_40_1_a4/ LA - en ID - SMJ2_2014_40_1_a4 ER -