%0 Journal Article %A Castel, Jesús M. %A Migallón, Violeta %A Penadés, José %T On parallel two-stage methods for Hermitian positive definite matrices with applications to preconditioning %J Electronic transactions on numerical analysis %D 2001 %P 88-112 %V 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2001__12__a7/ %G en %F ETNA_2001__12__a7