@techreport{weko_77345_1,
   author	 = "Yangyang,Hu and Shinya,Watanabe and Yongkang,Ji and Jianming,Shi",
   title	 = "An Improvement of the Stochastic Algorithm for Solving the Sum-of-Ratios Problem",
   year 	 = "2011",
   institution	 = "College of Information and Electronic Engineering, Muroran Institute of Technology, Mruoran, Japan, College of Information and Electronic Engineering, Muroran Institute of Technology, Mruoran, Japan, College of Information and Electronic Engineering, Muroran Institute of Technology, Mruoran, Japan, College of Information and Electronic Engineering, Muroran Institute of Technology, Mruoran, Japan",
   number	 = "5",
   month	 = "sep"
}