@article{01014808, title = {Subdifferential calculus without qualification assumptions.}, journal = {Journal of Convex Analysis}, volume = {3}, year = {1996}, pages = {207-219}, zbl = {0874.49016}, language = {en}, url = {http://dml.mathdoc.fr/item/01014808} }
Penot, Jean-Paul. Subdifferential calculus without qualification assumptions.. Journal of Convex Analysis, Tome 3 (1996) pp. 207-219. http://gdmltest.u-ga.fr/item/01014808/