Mean value inequalities are shown for functions which are sub- or super-differentiable at every point.
@article{urn:eudml:doc:44443,
title = {Some remarks on sub-differential calculus.},
journal = {Revista Matem\'atica de la Universidad Complutense de Madrid},
volume = {11},
year = {1998},
pages = {269-279},
zbl = {0923.46044},
mrnumber = {MR1666473},
language = {en},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:44443}
}
Godefroy, Gilles. Some remarks on sub-differential calculus.. Revista Matemática de la Universidad Complutense de Madrid, Tome 11 (1998) pp. 269-279. http://gdmltest.u-ga.fr/item/urn:eudml:doc:44443/