@article{EJDE_2007__2007__a74,
     author = {Padhi, Seshadev and Qian, Chuanxi},
     title = {On asymptotic behaviour of oscillatory solutions for fourth order differential equations},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2007},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a74/}
}