@book { Documentsdiplomatiquesfranais,
    title = "Documents diplomatiques français",
    author = " {Ministère des Affaires étrangères}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/b19521",
    url = "https://www.peterlang.com/document/1055610"
}