%0 Journal Article %A Azaron, Amir %A Sakawa, Masatoshi %A Tavakkoli-Moghaddam, Reza %A Safaei, Nima %T A discrete-time approximation technique for the time-cost trade-off in PERT networks %J RAIRO - Operations Research - Recherche Opérationnelle %D 2007 %P 61-81 %V 41 %N 1 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/ro:2007005/ %R 10.1051/ro:2007005 %G en %F RO_2007__41_1_61_0