TY  - JOUR
AU  - A. A. Sahakian
TI  - Integral moduli of smoothness and the Fourier coefficients of the composition of functions
JO  - Sbornik. Mathematics
PY  - 1981
SP  - 549
EP  - 561
VL  - 38
IS  - 4
UR  - http://geodesic.mathdoc.fr/item/SM_1981_38_4_a6/
LA  - en
ID  - SM_1981_38_4_a6
ER  -