%0 Journal Article
%A Tian,  Yu
%T Solutions to boundary-value problems for second-order impulsive differential equations at resonance
%J Electronic journal of differential equations
%D 2008
%V 2008
%U http://geodesic.mathdoc.fr/item/EJDE_2008__2008__a74/
%G en
%F EJDE_2008__2008__a74