BibTeX
@TECHREPORT{
         Gilbert1991LDA,
       author = "Jean-Charles Gilbert and Le Vey, Georges and John Masse",
       title = "La Diff\'erentiation Automatique de Fonctions
         Repr\'esent\'ees par des Programmes",
       address = "Le Chesnay, France",
       institution = "INRIA",
       key = "Gilbert1991LDA",
       type = "Rapport de Recherche",
       referred = "[Cappelaere2001OvH], [Hassold1996ADA].",
       year = "1991",
       number = "1557"
}