TY  - JOUR
AU  - E. S. Polovinkin
TI  - On convex and strongly convex approximations of sets
JO  - Doklady Akademii Nauk
PY  - 1996
SP  - 308
EP  - 311
VL  - 350
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1996_350_3_a4/
LA  - ru
ID  - DAN_1996_350_3_a4
ER  -