TY  - JOUR
AU  - R. G. Mamedov
TI  - Direct and inverse theorems in the theory of approximation of functions by $m$-singular integrals
JO  - Doklady Akademii Nauk
PY  - 1962
SP  - 272
EP  - 274
VL  - 144
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1962_144_2_a5/
LA  - ru
ID  - DAN_1962_144_2_a5
ER  -