@incollection{AST_2010__331__117_0, author = {Breuil, Christophe and M\'ezard, Ariane}, title = {Repr\'esentations semi-stables de $GL_2 (\mathbb{Q}_p)$, demi-plan $p$-adique et r\'eduction modulo $p$}, booktitle = {Repr\'esentations $p$-adiques de groupes $p$-adiques III : m\'ethodes globales et g\'eom\'etriques}, author = {Collectif}, series = {Ast\'erisque}, publisher = {Soci\'et\'e math\'ematique de France}, number = {331}, year = {2010}, zbl = {1271.11106}, mrnumber = {2667888}, language = {fr}, url = {http://archive.numdam.org/item/AST_2010__331__117_0/} }