@techreport{weko_145834_1,
   author	 = "Yukiko,Yamauchi and Taichi,Uehara and Masafumi,Yamashita",
   title	 = "Formation problems for synchronous mobile robots in the three dimensional Euclidean space",
   year 	 = "2015",
   institution	 = "Kyushu University, Kyushu University, Kyushu University",
   number	 = "17",
   month	 = "nov"
}