@article{01268618,
title = {Limiting convex examples for nonconvex subdifferential calculus.},
journal = {Journal of Convex Analysis},
volume = {5},
year = {1998},
pages = {221-235},
zbl = {0916.49014},
language = {en},
url = {http://dml.mathdoc.fr/item/01268618}
}
Borwein, Jonathan M.; Zhu, Qiji J. Limiting convex examples for nonconvex subdifferential calculus.. Journal of Convex Analysis, Tome 5 (1998) pp. 221-235. http://gdmltest.u-ga.fr/item/01268618/