@article{EJDE_2010__2010__a2,
     author = {Huang,  Zhi Gang and Sun,  Gui Rong},
     title = {Oscillation of higher-order linear differential equations with entire coefficients},
     journal = {Electronic journal of differential equations},
     year = {2010},
     volume = {2010},
     zbl = {1195.30049},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2010__2010__a2/}
}