@techreport{weko_191708_1,
   author	 = "Akiyoshi,Shioura",
   title	 = "Polynomial-time Algorithm for Dock Re-allocation Problem in Bike Sharing System",
   year 	 = "2018",
   institution	 = "Department of Industrial Engineering and Economics, Tokyo Institute of Technology",
   number	 = "3",
   month	 = "nov"
}