%0 Journal Article %A Danilov, Vladimir G. %T Remarks on vacuum state and uniqueness of concentration process %J Electronic Journal of Differential Equations %D 2008 %V 2008 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2008__2008__a23/ %G en %F EJDE_2008__2008__a23