@misc{Klotzek1995,
  author    = {Klotzek, Benno},
  title     = {Ruegg, A. ; Burmeister, G., M{\´e}thodes constructives de la g{\´e}om{\´e}trie spatiale},
  year      = {1995},
  language  = {fr}
}
@misc{Boelling1997,
  author    = {B{\"o}lling, Reinhard},
  title     = {Guzevic, D., Petr Petrovic Bazen, 1786 - 1838; Sankt-Peterburg, Nauka, 1995},
  year      = {1997},
  language  = {fr}
}
@book{SchroheWalzeWarzecha1998,
  author    = {Schrohe, Elmar and Walze, Markus and Warzecha, Jan-Martin},
  title     = {Construction de triplets spectraux {\`a} partir de modules de Fredholm},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  volume    = {1998, 12},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {5 Bl.},
  year      = {1998},
  language  = {fr}
}
@article{Ginoux2003,
  author    = {Ginoux, Nicolas},
  title     = {Remarques sur le spectre de l'op{\´e}rateur de Dirac},
  year      = {2003},
  abstract  = {We describe a new family of examples of hypersurfaces in the sphere satisfying the limiting-case in C. B{\"a}r's upper bound for the smallest eigenvalue of the Dirac operator.},
  language  = {fr}
}