TY - JOUR AU - N. N. Astaf'ev TI - Matrix tools for the analysis of the balance model and of the linear programming problem JO - Trudy Instituta matematiki i mehaniki PY - 2010 SP - 3 EP - 11 VL - 16 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2010_16_3_a0/ LA - ru ID - TIMM_2010_16_3_a0 ER -