@book { Lesdegrsduverbe,
    title = "Les degrés du verbe",
    subtitle = "Sens et formation du parfait en grec ancien",
    author = "André {Sauge}",
    year = "2000",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1091111"
}