TY - JOUR AU - Zhao, Jun TI - Coordination of elderly healthcare service supply chain with information asymmetry: Designs of option contracts under different demand distribution statuses JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2020 SP - 1291 EP - 1307 VL - 54 IS - 5 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro/2019032/ DO - 10.1051/ro/2019032 LA - en ID - RO_2020__54_5_1291_0 ER -