@article{EJDE_2005__2005__a170,
     author = {Elabbasy,  Elmetwally M. and Hassan,  Taher S. and Saker,  Samir.H.},
     title = {Oscillation of second-order nonlinear differential equations with a damping term},
     journal = {Electronic journal of differential equations},
     year = {2005},
     volume = {2005},
     zbl = {1075.34029},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a170/}
}