@article{JTNB_2005__17_2_607_0, author = {Ariane M\'ezard}, title = {Obstructions aux d\'eformations de repr\'esentations galoisiennes r\'eductibles et groupes de classes}, journal = {Journal de th\'eorie des nombres de Bordeaux}, pages = {607--618}, publisher = {Universit\'e Bordeaux 1}, volume = {17}, number = {2}, year = {2005}, doi = {10.5802/jtnb.510}, mrnumber = {2211310}, zbl = {1176.11055}, language = {fr}, url = {https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.510/} }