@book { DeHegelSartre,
    title = "De Hegel à Sartre",
    author = "Christa {Geitner}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0606-0",
    url = "https://www.peterlang.com/document/1053007"
}