@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042863,
 author = {Cheng, Yi-Ling and Peng, Shin-Kun and Tabuchi, Takatoshi},
 month = {Apr},
 note = {application/pdf, Subsequently published in B. E. Journal of Theoretical Economics, 2011, vol. 11, Article 16, pp. 1-27., 本文フィルはリンク先を参照のこと},
 title = {Multiproduct Duopoly with Vertical Differentiation},
 year = {2010}
}