@techreport{publications1312,
          volume = {217},
          author = {Helmuth Cremer and Bernard Roy and Jo{\"e}lle Toledano and {\'E}tienne De Villemeur},
          series = {IDEI Working Paper},
       booktitle = {IDEI Working Paper},
           title = {Access Pricing and Imperfect Competition},
            type = {Working Paper},
       publisher = {IDEI Working Paper},
            year = {2003},
             url = {https://publications.ut-capitole.fr/id/eprint/1312/}
}