TY - JOUR AU - L. D. Popov TI - About accuracy of the solution of internal subproblems in the Hestenes–Powell method JO - Trudy Instituta matematiki i mehaniki PY - 1998 SP - 381 EP - 386 VL - 5 UR - http://geodesic.mathdoc.fr/item/TIMM_1998_5_a25/ LA - ru ID - TIMM_1998_5_a25 ER -