TY - JOUR AU - Le Borne, Sabine AU - Ngufor, Che TI - An implicit approximate inverse preconditioner for saddle point problems JO - Electronic transactions on numerical analysis PY - 2010 SP - 173 EP - 188 VL - 37 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_2010__37__a15/ LA - en ID - ETNA_2010__37__a15 ER -