@techreport{weko_175994_1,
   author	 = "Yuta,Inaba and Satoshi,Tayu and Shuichi,Ueno",
   title	 = "A 3/2-Approximation Algorithm for the Bipartite Dense Subgraph Problem on Bipartite Permutation Graphs",
   year 	 = "2016",
   institution	 = "Department of Communications and Computer Engineering Tokyo Institute of Technology, Department of Communications and Computer Engineering Tokyo Institute of Technology, Department of Communications and Computer Engineering Tokyo Institute of Technology",
   number	 = "17",
   month	 = "nov"
}