@article{mace1871,
  author = {Auguste Macé},
  title ={Solution de la question proposée au concours pour les deux académies de
          Montpellier et d’Aix (année 1870)},
  journal = {Nouvelles annales de mathématiques},
  series = 2,
  volume = 10,
  year = 1871,
  pages = {17-26},
  url = {http://www.numdam.org/item?id=NAM_1871_2_10__17_1>},
  urldate = {2026-06-07},
  langid = {fr_FR},
}
@online{wiki,
  url = {https://en.wikipedia.org/wiki/Ellipsoid},
  urldate = {2026-06-09},
  title={Ellipsoid},
  author={\WikipediA},
  sortname = {Wiki},
}