Restructured text syntax

I'll cite a publication [Bouvier_2010]_
and an other one [Bouvier_2014]_.

.. [Bouvier_2010] Bouvier, G., Evrard-Todeschi, N., Girault, J.-P. & Bertho, G. Automatic clustering of docking poses in virtual screening process using self-organizing map. Bioinformatics 26, 53–60 (2010).
.. [Bouvier_2014] Bouvier, G., Desdouits, N., Ferber, M., Blondel, A. & Nilges, M. An automatic tool to analyze and cluster macromolecular conformations based on Self-Organizing Maps. Bioinformatics btu849 (2014).

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