%0 Journal Article %A Dang Duc Trong %A Tran Ngoc Lien %T Regularization of a discrete backward problem using coefficients of truncated Lagrange polynomials %J Electronic Journal of Differential Equations %D 2007 %V 2007 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a260/ %G en %F EJDE_2007__2007__a260