@book { UnitdelEgliseunitdumonde,
    title = "Unité de l'Eglise - unité du monde",
    author = "Remi {Hoeckman}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1069596"
}