Voir la notice de l'article provenant de la source Heldermann Verlag
@article{JCA_1994_1_2_a5, author = {D. Aussel and J.-N. Corvellec and M. Lassonde}, title = {Subdifferential {Characterization} of {Quasiconvexity} and {Convexity}}, journal = {Journal of convex analysis}, pages = {195--202}, publisher = {mathdoc}, volume = {1}, number = {2}, year = {1994}, url = {http://geodesic.mathdoc.fr/item/JCA_1994_1_2_a5/} }
D. Aussel; J.-N. Corvellec; M. Lassonde. Subdifferential Characterization of Quasiconvexity and Convexity. Journal of convex analysis, Tome 1 (1994) no. 2, pp. 195-202. http://geodesic.mathdoc.fr/item/JCA_1994_1_2_a5/