@book { Textualitsdelinstable,
    title = "Textualités de l'instable",
    subtitle = "L'écriture du Valois de Nerval",
    author = " {Bruno Tritsmans} and  {UFSIA}",
    year = "1989",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1073931"
}