%0 Journal Article %A Hayashi, Nakao %A Naumkin, Pavel I. %T Asymptotic behavior for a quadratic nonlinear Schrödinger equation %J Electronic Journal of Differential Equations %D 2008 %V 2008 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2008__2008__a3/ %G en %F EJDE_2008__2008__a3