%0 Journal Article %A Popa, Constantin %T Algebraic multigrid smoothing property of Kaczmarz's relaxation for general rectangular linear systems %J Electronic transactions on numerical analysis %D 2008 %V 29 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2008__29__a4/ %G en %F ETNA_2008__29__a4