@techreport{lemarechal-oustry-1999,
  author	= {{Lemar{\'e}chal}, C. and Oustry, F.},
  title		= {Semi-definite relaxations and {L}agrangian duality with application to combinatorial optimization},
  type		= {Rapport de Recherche},
  number	= {3710},
  institution	= {Inria},
  note		= {\tt http_//www.inria.fr/rrrt/rr-3710.html},
  year		= {1999},
  urlpage	= {http://www.inria.fr/rrrt/rr-3710.html},
}