@book{justhis6148,
           title = {Les soci{\'e}t{\'e}s anonymes},
          author = {J. Tkint and R. Gyselinck},
         address = {Bruxelles},
       publisher = {Larcier},
            year = {1975},
             url = {http://www.just-his.be/eprints/6148/}
}