@article{EJDE_2006__2006__a57,
     author = {Huang, Mugen and Feng, Weizhen},
     title = {Oscillation for forced second-order nonlinear dynamic equations on time scales},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2006},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a57/}
}