TY  - JOUR
AU  - R. S. Ismagilov
TI  - Diameters of sets in normed linear spaces and the approximation of functions by trigonometric polynomials
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1974
SP  - 169
EP  - 186
VL  - 29
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1974_29_3_a5/
LA  - en
ID  - RM_1974_29_3_a5
ER  -