%0 Journal Article
%A R. A. Poliquin
%A R. T. Rockafellar
%T Proto-Derivatives of Partial Subgradient Mappings
%J Journal of convex analysis
%D 1997
%P 221-234
%V 4
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JCA_1997_4_2_a1/
%F JCA_1997_4_2_a1