"2014" . . . . "Louadj Kahina, Spit\u00E9ri Pierre, Aidene Mohamed, Messine Fr\u00E9d\u00E9ric. An optimal control problem with free final time for aircraft flight with wind. 10\u00E8me Colloque sur l'optimisation et les syst\u00E8mes d'information (COSI 2014), Mohammed Said Radjef, Unit\u00E9 de Recherche LAMOS, Facult\u00E9 des sciences exactes, Universit\u00E9 Abderrahmane Mira de B\u00E9jaia, Alg\u00E9rie, Jun 2014, Bejaia, Algeria. pp.239--250" . "An optimal control problem with free final time for aircraft flight with wind" .