TY - JOUR AU - Jelena V. Manojlović TI - Integral Averaging Techniques for Oscillation of Second Order Nonlinear Differentialequations With Damping JO - Publications de l'Institut Mathématique PY - 2000 SP - 92 VL - _N_S_68 IS - 82 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PIM_2000_N_S_68_82_a10/ LA - en ID - PIM_2000_N_S_68_82_a10 ER -