@article{CRMATH_2012__350_23-24_999_0,
     author = {Baumann, Pierre and Gaussent, St\'ephane and Kamnitzer, Joel},
     title = {R\'eflexions dans un cristal},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {999--1002},
     publisher = {Elsevier},
     volume = {350},
     number = {23-24},
     year = {2012},
     doi = {10.1016/j.crma.2012.11.012},
     language = {fr},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2012.11.012/}
}