%0 Journal Article %A Padhi, Seshadev %A Qian, Chuanxi %T On asymptotic behaviour of oscillatory solutions for fourth order differential equations %J Electronic Journal of Differential Equations %D 2007 %V 2007 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a174/ %G en %F EJDE_2007__2007__a174