TY - JOUR AU - A. N. Konovalov TI - The Steepest Descent Method with an Adaptive Alternating-Triangular Preconditioner JO - Differencialʹnye uravneniâ PY - 2004 SP - 953 EP - 963 VL - 40 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2004_40_7_a9/ LA - ru ID - DE_2004_40_7_a9 ER -