@book { Ellipseetfragment, title = "Ellipse et fragment", author = "Pascale {Hadermann} and Michel {Pierrard} and Audrey {Roig} and Dan {Van Raemdonck}", year = "2014", publisher = "Peter Lang Verlag", address = "Bruxelles, Belgium", doi = "10.3726/978-3-0352-6293-3", url = "https://www.peterlang.com/document/1053692" }