%0 Journal Article %A Jean-Baptiste Hiriart-Urruty %T Sensitivity of the “intermediate point” in the mean value theorem: an approach via the Legendre-Fenchel transformation %J ESAIM. Proceedings %D 2021 %P 114-120 %V 71 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1051/proc/202171114/ %R 10.1051/proc/202171114 %G en %F EP_2021_71_a10