+to go to \ref SMPI_API, or even \ref GRAS_API.
+
+The scientific bases of the SimGrid project are presented in a 3 ou 4
+hours-long tutorial. It can be found at the following locations.
+ - https://gforge.inria.fr/plugins/scmgit/cgi-bin/gitweb.cgi?p=simgrid/propaganda.git;a=blob_plain;f=tutorial/simgrid-tutorial.pdf;hb=HEAD
+ - http://webloria.loria.fr/~quinson/blog/2010/0628/Tutorial_at_HPCS/