TY  - JOUR
AU  - R. A. Poliquin
AU  - R. T. Rockafellar
TI  - Proto-Derivatives of Partial Subgradient Mappings
JO  - Journal of convex analysis
PY  - 1997
SP  - 221
EP  - 234
VL  - 4
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JCA_1997_4_2_a1/
ID  - JCA_1997_4_2_a1
ER  -