TY  - JOUR
AU  - L. Cheng
AU  - Y. Zhou
TI  - Approximation by DC Functions and Application to Representation of a Normed Semigroup
JO  - Journal of convex analysis
PY  - 2014
SP  - 651
EP  - 661
VL  - 21
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JCA_2014_21_3_JCA_2014_21_3_a2/
ID  - JCA_2014_21_3_JCA_2014_21_3_a2
ER  -