@PhdThesis{fechter!Phd,
  author = {St{\'}ephane Fechter},
  title  = {S{\'}emantique des traits orientés objet de \textsc{Focal}},
  school = {Universit{\'}e Paris 6},
  year   = {2005},  
  type   = {Th{\`e}se de doctorat},
  month  = {Juillet}
}