@book { LapolitiquetrangredelaRussieetlEurope,
    title = "La politique étrangère de la Russie et l’Europe",
    author = "Tanguy de {Wilde d'Estmael} and Laetitia {Spetschinsky}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    url = "https://www.peterlang.com/document/1097007"
}