@techreport{weko_216153_1,
   author	 = "Xu,Cao and Hiroaki,Santo and Boxin,Shi and Yasuyuki,Matsushita",
   title	 = "Bilateral Normal Integration",
   year 	 = "2022",
   institution	 = "Osaka University, Osaka University, Peking University, Osaka University",
   number	 = "17",
   month	 = "jan"
}