TY - JOUR AU - V. I. Usacheva AU - A. V. Volkova TI - Software development to assess the economic efficiency of operation and the consequences of upgrading the equipment of electric grid companies JO - Matematičeskaâ fizika i kompʹûternoe modelirovanie PY - 2017 SP - 63 EP - 75 VL - 20 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VVGUM_2017_20_5_a6/ LA - ru ID - VVGUM_2017_20_5_a6 ER -