TY  - JOUR
AU  - Ivanov, M.
AU  - Zlateva, N.
TI  - A Clarke–Ledyaev Type Inequality for Certain Non–Convex Sets
JO  - Serdica Mathematical Journal
PY  - 2000
SP  - 277
EP  - 286
VL  - 26
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SMJ2_2000_26_4_a0/
LA  - en
ID  - SMJ2_2000_26_4_a0
ER  -