TY - JOUR AU - Gopalan, M. N. AU - Venkatachalam, P. TI - Availability and reliability of a 2-unit 2-server system subject to preventive maintenance and repair JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 1978 SP - 85 EP - 92 VL - 12 IS - 1 PB - EDP-Sciences UR - http://archive.numdam.org/item/RO_1978__12_1_85_0/ LA - en ID - RO_1978__12_1_85_0 ER -