@article{EJDE_2006__2006__a166,
     author = {Zhang,  Chaolong and Feng,  Weizhen},
     title = {Oscillation for higher order nonlinear ordinary differential equations with impulses},
     journal = {Electronic journal of differential equations},
     year = {2006},
     volume = {2006},
     zbl = {1098.34026},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a166/}
}