@article{CRMATH_2006__342_10_727_0,
     author = {Beck, Vincent},
     title = {Invariants relatifs : une alg\`ebre ext\'erieure},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {727--732},
     publisher = {Elsevier},
     volume = {342},
     number = {10},
     year = {2006},
     doi = {10.1016/j.crma.2006.03.014},
     language = {fr},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2006.03.014/}
}