TY - JOUR AU - V. V. Voevodin TI - The problem of nonselfadjoint extension of the conjugate gradient method is closed JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1983 SP - 477 EP - 479 VL - 23 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1983_23_2_a22/ LA - ru ID - ZVMMF_1983_23_2_a22 ER -