@incollection{sommier:hal-03940842, TITLE = {{Introduction}}, AUTHOR = {Sommier, Isabelle and Crettiez, Xavier and Audigier, Fran{\c c}ois}, URL = {https://paris1.hal.science/hal-03940842}, BOOKTITLE = {{Violences politiques en France}}, PUBLISHER = {{Presses de Sciences Po}}, PAGES = {7-25}, YEAR = {2021}, MONTH = Mar, DOI = {10.3917/scpo.sommi.2021.01.0007}, HAL_ID = {hal-03940842}, HAL_VERSION = {v1}, }