@book{justhis6107,
           title = {Les lib{\'e}ralit{\'e}s et les successions},
          author = {P. Delnoy},
         address = {Li{\`e}ge},
       publisher = {Presses universitaires de Li{\`e}ge},
            year = {1991},
             url = {http://www.just-his.be/eprints/6107/}
}