%0 Journal Article %A Yang, Aijun %A Sun, Bo %A Ge, Weigao %T Existence of positive solutions for self-adjoint boundary-value problems with integral boundary conditions at resonance %J Electronic Journal of Differential Equations %D 2011 %V 2011 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a22/ %G en %F EJDE_2011__2011__a22