%0 Journal Article %A Pearson, John W. %A Wathen, Andrew J. %T Fast iterative solvers for convection-diffusion control problems %J Electronic transactions on numerical analysis %D 2013 %P 294-310 %V 40 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2013__40__a11/ %G en %F ETNA_2013__40__a11