TY - JOUR AU - Kamburowski, Jerzy TI - Two-point approximations for activity times in PERT networks JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 1985 SP - 301 EP - 313 VL - 19 IS - 3 PB - EDP-Sciences UR - http://www.numdam.org/item/RO_1985__19_3_301_0/ LA - en ID - RO_1985__19_3_301_0 ER -