@techreport{weko_178266_1,
   author	 = "Tokinori,Suzuki and Atsushi,Fujii",
   title	 = "A Structure-based Method for Mathematical Document Classification",
   year 	 = "2017",
   institution	 = "Tokyo Institute of Technology, Tokyo Institute of Technology",
   number	 = "11",
   month	 = "mar"
}