@book { Renaissancedelagomtrienoneuclidienneentre1860et1900,
    title = "Renaissance de la géométrie non euclidienne entre 1860 et 1900",
    author = "Jean-Daniel {Voelke}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1098785"
}