@techreport{weko_200698_1,
   author	 = "Takao,Asano and Hiroyuki,Umeda",
   title	 = "An Envy-free and Truthful Mechanism for the Cake-cutting Problem without Expansion Process with Unlocking",
   year 	 = "2019",
   institution	 = "Chuo University, Chuo University",
   number	 = "10",
   month	 = "nov"
}