@techreport{weko_225666_1, author = "Takafumi,Otsuka and Akiyoshi,Shioura", title = "Algorithm for Computing Representation of Bivariate Multi-Unit Assignment Valuations", year = "2023", institution = "Department of Industrial Engineering and Economics, Tokyo Institute of Technology, Department of Industrial Engineering and Economics, Tokyo Institute of Technology", number = "15", month = "may" }