%0 Journal Article %A Dang Duc Trong %A Tran Ngoc Lien %T Regularization of a discrete backward problem using coefficients of truncated Lagrange poly\-nomials %J Electronic journal of differential equations %D 2007 %V 2007 %U http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a260/ %G en %F EJDE_2007__2007__a260