TY - JOUR AU - Schenk, Olaf AU - Gärtner, Klaus TI - On fast factorization pivoting methods for sparse symmetric indefinite systems JO - Electronic transactions on numerical analysis PY - 2006 SP - 158 EP - 179 VL - 23 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_2006__23__a9/ LA - en ID - ETNA_2006__23__a9 ER -