@techreport{weko_175385_1,
   author	 = "Duosheng,Yu and Takashi,Kanai",
   title	 = "Enhancing Subspaces for Elastic Deformation with Collisions",
   year 	 = "2016",
   institution	 = "The University of Tokyo, The University of Tokyo",
   number	 = "24",
   month	 = "nov"
}