TY  - JOUR
AU  - M. K. Potapov
TI  - The structural characteristics of the classes of functions with a~given order of best approximation
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1975
SP  - 260
EP  - 277
VL  - 134
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TM_1975_134_a18/
LA  - ru
ID  - TM_1975_134_a18
ER  -