%0 Journal Article
%A Qi, Yunsong
%A Yu, Jinwei
%T Oscillation criteria for fourth-order nonlinear delay dynamic equations
%J Electronic Journal of Differential Equations
%D 2013
%V 2013
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EJDE_2013__2013__a10/
%G en
%F EJDE_2013__2013__a10