@article{ETNA_2013__40__a11,
     author = {Pearson, John W. and Wathen, Andrew J.},
     title = {Fast iterative solvers for convection-diffusion control problems},
     journal = {Electronic transactions on numerical analysis},
     pages = {294--310},
     publisher = {mathdoc},
     volume = {40},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2013__40__a11/}
}