%0 Journal Article %A Zhao, Jun %T Coordination of elderly healthcare service supply chain with information asymmetry: Designs of option contracts under different demand distribution statuses %J RAIRO - Operations Research - Recherche Opérationnelle %D 2020 %P 1291-1307 %V 54 %N 5 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/ro/2019032/ %R 10.1051/ro/2019032 %G en %F RO_2020__54_5_1291_0