TY  - JOUR
AU  - A. L. Garkavi
TI  - Duality theorems for approximation by elements of convex sets
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1961
VL  - 16
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1961_16_4_a8/
LA  - ru
ID  - RM_1961_16_4_a8
ER  -