TY  - JOUR
AU  - A. S. Dzhafarov
TI  - Some classes of differentiable functions
JO  - Doklady Akademii Nauk
PY  - 1980
SP  - 1047
EP  - 1051
VL  - 254
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1980_254_5_a5/
LA  - ru
ID  - DAN_1980_254_5_a5
ER  -