@article{CRMATH_2006__342_6_371_0, author = {Belkacem Bendiffalah and Daniel Guin}, 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}, }