%0 Journal Article %A Cerdán, J. %A Faraj, T. %A Malla, N. %A Marín, J. %A Mas, J. %T Block approximate inverse preconditioners for sparse nonsymmetric linear systems %J Electronic transactions on numerical analysis %D 2010 %P 23-40 %V 37 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2010__37__a24/ %G en %F ETNA_2010__37__a24