TY  - JOUR
AU  - J. M. Borwein
AU  - Q. J. Zhu
TI  - Limiting Convex Examples for Nonconvex Subdifferential Calculus
JO  - Journal of convex analysis
PY  - 1998
SP  - 221
EP  - 236
VL  - 5
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JCA_1998_5_2_a1/
ID  - JCA_1998_5_2_a1
ER  -