%0 Journal Article %A Qian, Aixia %T Sing-changing solutions for nonlinear problems with strong resonance %J Electronic Journal of Differential Equations %D 2012 %V 2012 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a29/ %G en %F EJDE_2012__2012__a29