@article{CRMATH_2006__342_6_371_0,
     author = {Bendiffalah, Belkacem and Guin, Daniel},
     title = {Idempotent et cohomologie de {Hochschild}},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {371--376},
     publisher = {Elsevier},
     volume = {342},
     number = {6},
     year = {2006},
     doi = {10.1016/j.crma.2006.01.003},
     language = {fr},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2006.01.003/}
}