TY - JOUR AU - Padhi, Seshadev AU - Qian, Chuanxi TI - On asymptotic behaviour of oscillatory solutions for fourth order differential equations JO - Electronic Journal of Differential Equations PY - 2007 VL - 2007 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a174/ LA - en ID - EJDE_2007__2007__a174 ER -