@unpublished{crouzeix:hal-04307472,
TITLE = {A bivariate extension of the Crouzeix-Palencia result with an application to Fr{\'e}chet derivatives of matrix functions},
AUTHOR = {Crouzeix, Michel and Kressner, Daniel},
URL = {https://hal.science/hal-04307472},
NOTE = {working paper or preprint},
YEAR = {2023},
MONTH = Nov, DOI = {10.48550/arXiv.2007.09784},
KEYWORDS = {15A60 ; 15A16 ; 65F60 ; Functional Analysis (math.FA) ; Numerical Analysis (math.NA) ; FOS: Mathematics},
HAL_ID = {hal-04307472},
HAL_VERSION = {v1},
}