%0 Journal Article %A Luengo, Francisco %A Raydan, Marcos %T Gradient method with dynamical retards for large-scale optimization problems %J Electronic transactions on numerical analysis %D 2003 %P 186-193 %V 16 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2003__16__a0/ %G en %F ETNA_2003__16__a0