TY - JOUR AU - Azaron, Amir AU - Sakawa, Masatoshi AU - Tavakkoli-Moghaddam, Reza AU - Safaei, Nima TI - A discrete-time approximation technique for the time-cost trade-off in PERT networks JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2007 SP - 61 EP - 81 VL - 41 IS - 1 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro:2007005/ DO - 10.1051/ro:2007005 LA - en ID - RO_2007__41_1_61_0 ER -