@book { CentreetcentrismeenEuropeauxXIXeetXXesicles,
    title = "Centre et centrisme en Europe aux XIX e  et XX e  siècles",
    author = "Sylvie {Guillaume} and Jean {Garrigues}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    url = "https://www.peterlang.com/document/1100722"
}