TY - JOUR AU - V. P. Il'in TI - The rate of convergence of iterative incomplete factorization JO - Doklady Akademii Nauk PY - 1988 SP - 533 EP - 536 VL - 301 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1988_301_3_a3/ LA - ru ID - DAN_1988_301_3_a3 ER -