@techreport{weko_213774_1,
   author	 = "Yusuke,Yanagisawa and Akira,Suzuki and Yuma,Tamura and Xiao,Zhou",
   title	 = "Optimization Variant of Vertex-Coloring Reconfiguration Problem",
   year 	 = "2021",
   institution	 = "Graduate School of Information Sciences, Tohoku University, Graduate School of Information Sciences, Tohoku University, Graduate School of Information Sciences, Tohoku University, Graduate School of Information Sciences, Tohoku University",
   number	 = "13",
   month	 = "nov"
}