@book { Grammairedelapriode,
    title = "Grammaire de la période",
    author = "Alain {Berrendonner}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/b11424",
    url = "https://www.peterlang.com/document/1055833"
}