TY  - JOUR
AU  - Yu. S. Ledyaev
TI  - Criteria for Convexity of Closed Sets in Banach Spaces
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 2019
SP  - 205
EP  - 220
VL  - 304
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TM_2019_304_a12/
LA  - ru
ID  - TM_2019_304_a12
ER  -