TY  - JOUR
AU  - V. P. Il'in
TI  - Properties of certain classes of differentiable functions of several variables defined in an $n$-dimensional domain
JO  - Informatics and Automation
PY  - 1962
SP  - 227
EP  - 363
VL  - 66
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1962_66_a14/
LA  - ru
ID  - TRSPY_1962_66_a14
ER  -