@article{Maupertuis2007,
  author    = {Pierre Louis Moreau de Maupertuis},
  title     = {{\´E}loge de M. de Keyserlingk},
  url       = {http://edoc.bbaw.de/oa/series/reIiO4fw1MBA6/PDF/270SCLDYTT8C2.pdf},
  year      = {2007},
}