TY - JOUR AU - Strakoš, Zdeněk AU - Tichý, Petr TI - On error estimation in the conjugate gradient method and why it works in finite precision computations JO - Electronic transactions on numerical analysis PY - 2002 SP - 56 EP - 80 VL - 13 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_2002__13__a3/ LA - en ID - ETNA_2002__13__a3 ER -