@book { Letriangleimpossible, title = "Le triangle impossible", subtitle = "Les relations franco-soviétiques et le facteur polonais dans les questions de sécurité en Europe (1924-1935)", author = "Frédéric {Dessberg}", year = "2009", publisher = "Peter Lang Verlag", address = "Bruxelles, Belgium", doi = "10.3726/978-3-0352-6046-5", url = "https://www.peterlang.com/document/1043988" }