@incollection{AST_2010__330__R19_0, author = {Colmez, Pierre}, title = {Introduction}, booktitle = {Repr\'esentations $p$-adiques de groupes $p$-adiques II : Repr\'esentations de $\mathbf{GL}_2 (\mathbf{Q}_p)$ et $(\varphi, \Gamma)$-modules}, editor = {Berger, Laurent and Breuil, Christophe and Colmez, Pierre}, series = {Ast\'erisque}, pages = {xix--xxiii}, publisher = {Soci\'et\'e math\'ematique de France}, number = {330}, year = {2010}, mrnumber = {2642402}, language = {fr}, url = {http://archive.numdam.org/item/AST_2010__330__R19_0/} }