%0 Journal Article %A Schenk, Olaf %A Gärtner, Klaus %T On fast factorization pivoting methods for sparse symmetric indefinite systems %J Electronic transactions on numerical analysis %D 2006 %P 158-179 %V 23 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2006__23__a9/ %G en %F ETNA_2006__23__a9