TY  - JOUR
AU  - S. M. Nikol'skii
TI  - Boundary properties of differentiable functions of several variables
JO  - Doklady Akademii Nauk
PY  - 1962
SP  - 542
EP  - 545
VL  - 146
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1962_146_3_a8/
LA  - ru
ID  - DAN_1962_146_3_a8
ER  -