@incollection{poncet:hal-03879624, TITLE = {{Le miroir d'un d{\'e}clin ?}}, AUTHOR = {Poncet, Olivier}, URL = {https://enc.hal.science/hal-03879624}, BOOKTITLE = {{L'art m{\'e}di{\'e}val du registre : chancelleries royales et princi{\`e}res}}, PUBLISHER = {{{\'E}cole nationale des chartes}}, PAGES = {p. 253-283}, YEAR = {2018}, HAL_ID = {hal-03879624}, HAL_VERSION = {v1}, }