TY - JOUR AU - I. Ya. Zabotin TI - Choosing descent directions in unconstrained minimization problems JO - Issledovaniya po Prikladnoi Matematike i Informatike PY - 1981 SP - 37 EP - 42 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KUIPM_1981_a4/ LA - ru ID - KUIPM_1981_a4 ER -